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Drugs for Diabetes Treatment.

Monday, July 20th, 2009

FENUGREEK
Fenugreek is a seed used to spice Indian food compare diovan and cozaar . It has also been used in traditional medicine to treat symptoms that indicate diabetes saturday delivery tramadol . Studies done in humans suggest that it can be used in
well
type 1 as as type 2 diabetes in addition to,prescribed medi-
cation women excess testosterone . The powdered seed lowered blood sugar and HbAlc feline hypertrophic cardiomyopathy prednisone . 249
There are potential side effects, however zovirax insert . Fenugreek can cause diarrhea, flatulence, and allergic reactions celexa testimonies . It might, in theory, interact with warfarin (Coumadin) or other anticoagulant medicines and probably should be avoided by people who take them trazodone for bipolar . There is always a possibility of hypoglycemia when blood sugar–lowering botanical medicines are added to prescription drugs for blood sugar control, so careful monitoring is essential rx neurontin . The usual dose is around 1 or 2 grams of seeds three times a day, but it may also be taken as a tea 250
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G atenolol personality changes . I found a spice in my spice rack that I had never heard of, and I had no instructions on how to use it lack of response to furosemide . I looked up fenugreek as a spice and found that it is a medicinal herb celebrex chemotherapy colon cancer .
It is used to lower cholesterol and control blood sugar provera for bodybuilders . The only side effect I found is nausea if you take too much specific heat lithium . What do you know about this herb? -
A adderall and selegiline together . Studies in animals and humans show that fenugreek can lower cholesterol and blood sugar methyl prednisone acetate . If diabetics take fenugreek, they should monitor their blood sugar to make sure it doesn’t fall too much xeno lithium .
Fenugreek seeds are rich in soluble fiber and can be used to treat constipation paroxetine heart rate . At high doses, this herb can cause digestive distress evista floaters in eyes .
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GYMNEMA SYLVESTRE
This herb comes from India and has been used in traditional Ayurvedic medicine for centuries ms avoiding caffeine . Animal studies have demonstrated that it is capable of lowering blood sugar viagra lasting .”‘ No serious side effects have been reported, but perhaps the scarcity of well-controlled clinical trials explains that to some extent canadian pharmacy bupropion .
NOPAL (Opuntia sp caffeine in tea bags .)
One interesting botanical treatment has only a little bit of research to support it, but it is becoming increasingly popu-far viagra photo woman . We heard several years ago from a physician who said one of his diabetic patients had improved his blood sugar control with prickly pear tea side effects of stopping tamoxifen . This cactus, called nopal in Mexico, has been studied primarily in animals beta celexa citalopram interferon lyrica pregabalin . That research indicates that the cactus can help lower blood sugar fosinopril solium . 252,253 Research in humans is preliminary, but it suggests that nopal may also be useful in helping to control blood sugar in type 2 diabetes united states wellbutrin bupropion hcl . 254 Close monitoring and medical supervision are advised zithromax ear book .
lama family practitioner and want to share an herbal remedy with you allopurinol and blood pressure . A 60-year-old male Hispanic diabetic patient has had trouble controlling his blood sugar ovulation pain with clomid . Despite intensive diet changes and a prescription for Glucovance, his blood sugar still ran around 160 to 100-plus testosterone treatment and prostate cancer .
One day he came in with his diary showing consistent blood sugars of 90 to 100 fexofenadine solubility in isopropylalcohol . I asked what he was doing differently and he said in a low voice, “I’ve got a new girlfriend from Mexico online fexofenadine . She makes me tea from nopalito [prickly pear> cactus and has me drink it three times a day advil motrin recalls . Now my sugars are doing better buy celecoxib low cost . -
Finding fresh nopal cactus outside of Mexico or the desert of the southwestern United States could be tricky loratadine 180 . When we shared the story about nopalito tea (nopalito is a young stem segment from the cactus), we were inundated with questions from readers who wanted to know how they could get some nopal cactus leaves does prednisone cause sterility . Short of moving, you might try looking for this natural plant product in your local health-food store (or on the Web) voltaren info . Although it is unlikely you will find fresh leaves, you will be able to locate capsules labeled prickly pear cactus (Opuntia) or nopal cactus avandia zantac .
Careful blood sugar monitoring is essential age testosterone . One reader who blended cactus with apple juice kept careful track of his cholesterol levels, triglycerides, and glucose bladder infection ibuprofen . In 6 months, his triglycerides dropped from 191 to 139 and his total cholesterol went from 202 to 169 web md doxepin . More interesting, his blood glucose drifted down as well seafood allergies and atrovent . Here is his account:
I read your article about nopalito tea, so I started using cactus in April and had good results what’s the main resources of caffeine . My doctor knows about it zithromax for oral suspension . I blend one bag of cactus and 3 112 cups of apple juice into a drinkable liquid effexor memory . I drink 4 ounces three times a day mens viagra . Here are my results why is caffeine bad in pregnancy .
Blood Glucose (average)
Jan 147 no cactus
Feb 143 no cactus
Mar 158 no cactus
Apr 142 with cactus
May 132 with cactus
Jun 126 with cactus
Jul 135 with cactus
Aug 128 with cactus
I write down every food I eat every day and take my test every morning and keep a record of it natural alternative to caffeine . I can see which food does what, and I take my medicine as always and my doctor has been kept informed battery lithium watch .
This gentleman is the poster child for responsible blood sugar control doxycycline burns treatment . Not only is he tracking his sugar levels carefully, he is also working closely with his physician to make sure what he does is safe and effective amsterdam nederlands sildenafil .
STEVIA
Stevia (Stevia rebaudiana) is a nonsugar sweetener derived from the leaves of a South American shrub phenytoin effects lab values . It is not approved as a sugar substitute in the United States but is frequently used in Japan didanosine causing lipoatrophy . Some preliminary research suggests that using stevia instead of sugar might have a benefit beyond simply not consuming sugar on levoxyl but still having symtoms . A small study in Brazil found that stevia tea could improve glucose tolerance in nondiabetic individuals simvastatin 80mg tablet . 255 The plant can also lower blood pressure celexa twice normal dose . No significant toxicity has been reported do cardiologists order toradol .
Stevia is a natural sugar substitute fosinopril side effects . In addition to sweetening food and drinks without raising blood sugar, stevia may be capable of improving glucose tolerance 1 2 aa lithium 3.6v battery . Be sure to monitor your blood sugar when adding this sweetener to a medication regimen automobile lithium ion battery .
Downside: In laboratory tests, high doses of stevia interfered with animals’ reproduction ketorolac pediatric .
Cost: Approximately 10 or 20 per serving Easing Stress
There is a direct connection between your level of stress and your blood sugar paroxetine and . For someone without diabetes, this is probably no big deal, unless you are always under stress warfarin metallic taste . But for a diabetic, anxiety, fear, depression, and emotional pressure will boost blood sugar and make the condition harder to control lyrics for lithium .211,2″ Giving a speech, having a fight with your partner, or going in for your annual performance review at work can all affect your stress level and your blood sugar singulair and weight loss . Doctors often look at diet, exercise, and other physical factors ibuprofen crush . They are less likely to consider emotions, even though they have such a profound impact on a diabetic’s health novartis v pfizer zithromax .
How can a diabetic learn how to manage stress successfully? There is no cookie-cutter answer to this question is cipro sulfa based . Everyone handles stress differently phenergan sudaphed contraindication . For some, the only effective strategy might be to quit a highly demanding job and move to a cave decadron for oral surgery . Doing that would stress others out even more preparation of ethinyl estradiol . Finding the right approach may take trial and error xenical caps orlistat roche .
Avoiding people who make your hands cold is a good place to start hartford zyprexa attorneys . Buy a mood ring (a relic of the 1970s) aluminum lithium etchant . It reacts to skin temperature viagra side effects diarrhea . Whenever your hands get cold as a response to stress, you should do something different from your current activity to warm them up decadron contain only t4 . Relaxation tapes can be helpful if you can carve out time to listen lithium arizona . Our favorites are by Emmett Miller, MD chemical composition of neuronal soma . Dr felodipine reaction . Miller has been in this business a long time and has a soothing voice 7 day doxycycline symptoms disappear . We guarantee that if you listen to his Letting Go of Stress, you will be more relaxed afterward viagra levitra cialis comparison .
Some people may benefit from individual psychological counseling or biofeedback training to learn to cope with stress prednisolone hot flashes . But others may be able to find a group that is learning stress management techniques accutane colitis . 251 If you need a guide to doing it yourself, we suggest you look for a copy of Richard Surwit’s book, The Mind-Body Diabetes Revolution requip and compulsive gambling . It has some good
DR what does bactrim treat . MILLER’S SOOTHING SOUNDS
To purchase Dr metformin 500 571 . Miller’s CDs or tapes, you can visit his Web site, www topical oinment chloramphenicol .DrMiller methotrexate how long .com, or call 800-52-TAPES omnicef stomach . Letting Go of Stress or the Ten-Minute Stress Manager is a good starting place celebrex docing information .
tips on learning to relax and overcome stress as well as background on the importance of psychological issues in diabetes citalopram hydrobromide capsules .
When all else fails, an antianxiety agent can be surprisingly effective at controlling blood sugar in the short term remeron childrens studies . If, for example, you know that traveling makes you anxious and throws your blood sugar out of kilter, you may want to ask your doctor whether a short course of diazepam (Valium), alprazolam (Xanax), or some similar medicine might help you deal with the hassle of travel no prescription claritin .259 Such drugs can be habit-forming, however, so relying on them for long periods of time is not desirable veetids expire .
Depression also has a major impact on diabetes and messes up efforts to keep blood sugar where it should’be information about nexium . Everything feels much harder to manage when you’re down in the dumps, and your attention to exercise, diet, medication, and self-care may well suffer viagra doseages effects . Changes in brain biochemistry associated with depression might also contribute directly to a higher risk of diabetes complications lithium battery explosions . MO Blood clots leading to heart attacks or strokes are more likely when diabetics are depressed; so are irregular heart rhythms and inflammation methotrexate factoids . It’s just as crucial for a diabetic to be evaluated regularly for depression, and to get treatment when it is needed, as it is for her to get regular eye exams and foot care prostatitis and flomax .
Pills to Lower Blood Sugar
Quite often, diet and exercise alone are not enough to control blood sugar glyburide 2 mg . There is a bewildering array of medicine the doctor may prescribe: metformin, which also is dispensed under the brand name Glucophage; medicine with “glitazone” in the generic name, like pioglitazone (Actor); and old-fashioned blood sugar—lowering drugs similar to chlorpropamide or tolazamide, or their newer cousins glyburide (Micronase), glimepiride (Amaryl), or glipizide (Glucotrol) zoloft causing cardiac arrythmias . Newer drugs that stimulate insulin secretion, called nateglinide (Starlix) and repaglinide (Prandin), might be used instead of one of the older blood sugar—lowering drugs levaquin diflucan interactions . Eventually, if blood sugar and glycosylated hemoglobin can’t be brought down to acceptable levels, even type 2 diabetics may end up using insulin bacterial vaginosis flagyl did not work . But it usually makes sense to try oral medicines first metaloproteinase cipro .
It is difficult to tell which of these pills would work best for any given patient hold dose metoprolol . As with everything else pertaining to diabetes, people vary in their responses salbutamol and hyperstimulation . Some do well on a single drug, while others need a complicated regimen class action lawsuits against provera . Only you and your doctor can determine which medication(s) are likely to be safest and most effective for you amoxicillin dental work .
To try to sort out the patterns and give doctors some guidance, scientists at Kaiser Permanents, an enormous HMO in northern California, reviewed the organization’s vast database efficacit gel testosterone 50mg j . First they created a registry of the diabetic patients, and then they examined the data to see which drugs were most effective over time male devo provera . Even though most patients are started on one of the medicines like chlorpropamide or glyburide, this was the least effective treatment for getting HbAl down to
target personal experiences of people on wellbutrin .261
The most effective treatment was triple therapy: a
“glitazone”-type drug in combination with metformin and a drug like glyburide onset action lamictal days . Next best after that was metformin together with insulin pepcid indication gi protect .
One of the most interesting features of the Kaiser Permanents study was that patient behavior could be used to predict success, aside from the drug used hydroxyzine helps withdrawls of opium . Patients who monitored their blood sugar frequently and those who kept all or nearly all of their appointments were significantly more likely to get their blood sugar under control and keep it there clomipramine hcl tablets and alcohol . 262 Making sure that you are on top of your diabetes treatment, taking your medication, monitoring your blood sugar, keeping track of HbA, following a sensible diet and exercise regimen, and controlling your weight as much as possible may be nearly as important as which drugs your doctor prescribes atomoxetine medication diaes .
Metformin (Glucophage)
A review by the Cochrane Collaboration of most of the world’s diabetes literature shows that metformin (Glucophage) alone, if used to keep blood glucose under tight control, is an excellent treatment inderal la medicine .263 Metformin improves blood sugar control by improving the cells’ response to insulin and reducing the amount of sugar that the liver makes risperidone weight gain . Unlike some other oral diabetes drugs, it doesn’t lead to weight gain and may even help people get their weight under control amitriptyline mylan .
It can be dangerous, however, for people with kidney disease testosterone replacement therapy cycles . They should not take the drug, and everyone on metformin should have their kidney function monitored regularly (at least once a year) altace absorption . People with congestive heart failure should not take metformin, either sulfamethoxazole ds tabitp .
SYMPTOMS OF LACTIC ACIDOSIS
• Muscle aches or weakness
• Shortness of breath
• Stomachache, nausea, or vomiting
• Lethargy or drowsiness
• Irregular heartbeat
• Feeling generally awful
Metformin has two nasty side effects that patients must know about drugs and norvasc . One, lactic acidosis, is rare, but it is a medical emergency if it occurs villa allegra . Lactic acidosis can be lethal estrace homrmone . People with kidney disease or congestive heart failure are more susceptible to this problem, which is why they must not take metformin hormone replacement therapy weight premarin . Otherwise healthy diabetics might also develop lactic acidosis on metformin, especially if they drink alcohol watermellon viagra .
What makes metformin so tricky is that patients frequently experience digestive tract distress when they first start taking this medicine tramadol ships next day apo . Side effects can include diarrhea, nausea, vomiting, indigestion, and stomachache accutane atlanta attorney . After several weeks, however, these side effects should fade away strattera testimonies . If digestive symptoms
*** Metformin (Glucophage)
Metformin improves insulin sensitivity caffeine and hunger . It may control blood sugar alone or be combined with other diabetes drugs to improve blood sugar control attack heart ibuprofen . Common side effects include diarrhea, nausea and vomiting, flatulence, fatigue, indigestion, and headache intas strattera for sale online .
Avoid guar gum in low-fat foods (salad dressing, frozen desserts, etc depo provera transexual drug .), because it reduces metformin’s absorption and effectiveness is prevacid an nsaid .
Downside: Lactic acidosis, a rare reaction, requires emergency medical attention and can be fatal nifedipine ointment preparation .
Cost: Approximately $90 to $120 per month; generic $65 to $100
recur, they must be brought to the doctor’s attention immediately since they might be symptoms of lactic acidosis ct scan heart and lopressor .
The other side effect is depletion of vitamin B12 snorting bupropion . Because this vitamin is stored in the body, the depletion is gradual and the symptoms either may not be noticed or may be attributed to some other cause can lovastatin subscriptions cause cough . The physician should test for methylinaIonic acid (MMA) as well as for vitamin B,2 levels compare kytril and zofran . Fortunately, it is easy to treat vitamin B12 deficiency with supplements birth defect imuran . The vitamin does not need to be injected in such cases; oral supplements of around 1 milligram daily (a large dose of vitamin B12) will work prednisone before surgery . Do check with your doctor to find out if this is appropriate for you sten testosterone .
I am a retired physician with type 2 diabetes metoclopramide and dialysis . Metformin has kept my blood sugar in the normal range for 10 years malassezia ketoconazole dog . Despite good control of my blood glucose and glycosylated hemoglobin, my foot numbness was getting worse warfarin back pain . I was also a tilde unsteady on my feet though it was very subtle flomax pseudoephedrine .
I reviewed the medical literature and discovered that metformin interferes with vitamin B1, absorption fertility insemination estrace uterine lining . I suspected I might be deficient in this vitamin, and I started taking oral vitamin B,
Within a week, I noticed that my mental capacity was sharper combivir and other antivirals . I had not realized before this that I was having any cognitive problems new england journal of medicine lipitor . I stopped having any trouble walking, and my foot numbness has decreased effects effexor alcohol .
Many older diabetics take metformin doxycycline cellulitis . ff they developed subtle neurological and mental deficits as a result of lack of vitamin B,, these problems could be treated but may well be overlooked zoloft vs xanax .
Pioglitazone (Actos)
Pioglitazone (Actos) is a newer diabetes medicine that increases insulin sensitivity and decreases insulin resistance aldactone for treating acne . These actions reduce the amount of insulin in the bloodstream and should lower HbAl rash from paxil . Not only can this medication bring fasting blood sugar down, it can also help control blood sugar levels after meals 1 4 propecia .” In the Kaiser Permanents study mentioned above, drugs in this class were the medications most likely to get HbA,, down to normal range by themselves lithium ion battery car fire .
Actos has received a lot of attention from doctors who specialize in treating diabetes es because it has a favorable im- pact on some blood lipids vytorin side effects muscle pain . It doesn’t seem to do much for Pioglitazone (Actos)
Pioglitazone improves insulin sensitivity’and decreases insulin resistance reference range estradiol . It lowers triglycerides and raises HDL, which might result in a lower risk of cardiovascular problems viagra and reduced ammunity . It is taken once a day escitalopram with titration .
Downside: May interact with oral contraceptives to make them less effective
Cost: Approximately $100 to $115 per month
bad LDL cholesterol, but it raises good HDL cholesterol (no mean feat) and lowers triglycerides atrovent peanut . 265
No one knows if these improvements in blood fats will result in a lower risk of heart attack or other cardiovascular complications in the long run gabapentin gaba . That, after all, is the really important issue, since diabetics are at such high risk of cardiovascular catastrophes ibuprofen versus rofecoxib . But Actos is fairly effective in preventing the closing up of a cardiac stent after it is put into a coronary artery study volunteers for topamax and alcohol .266 And a head-to-head study of Actos and Avandia (a similar medication) showed that Actos has a better effect on several measures of cholesterol and blood lipids ibuprofen liquid mg per ml . 261 If this translates down the road into reducing the likelihood of a heart attack or stroke, it would certainly be worthwhile allopurinol lab hahnemann .
Pioglitazone can cause fluid retention and as a result is not appropriate for use by patients with congestive heart failure lotrel azor . Side effects include a greater susceptibility to sore throats, colds, bronchitis, and the like; headaches; toothaches; sinusitis; and muscle pain allegra beach resort . A competing drug, rosiglitazone (Avandia, Avandamet), has also been linked to fluid retention celexa cs zoloft . More worrisome, though, is the possibility that this drug may contribute to fluid accumulation in the back of the eye purpose of flagyl .This macular edema could lead to blurred vision and eye damage claritin and cold medicine .
Repaglinide (Prandin)
The goal of treating diabetes is to keep blood sugar within the normal range, because that reduces the likelihood of serious complications prozac overdose nuerological damage . If you can’t achieve this with metformin or one of the “glitazones,” the doctor may add a medicine to stimulate the secretion of insulin lamictal and sunburn . Two drugs, nateglinide (Starlix) Repaglinide (Prandin?
Repaglinide lowers blood sugar by stimulating insulin release and is especially effective for reducing blood sugar following a meal cellcept indications . Repaglinide is taken before meals, usually within 15 minutes before beginning to eat can zovirax treat epstein barr virus .
Downside: Blood sugar may fall too much (hypoglycemia) brompheniramine and pseudoephedrine extended release . Repaglinide may contribute to weight gain caffeine memory .
Cost: Approximately $130 to $140 per month
and repaglinide (Prandin), make beta cells in the pancreas pump out more insulin at mealtime edward drummond m d and cymbalta . 268 This helps keep blood glucose levels from going too high after eating effexor ejaculation .
Some studies have compared these two medicines alone or in various combinations scarring accutane . The results aren’t definitive, but comparing nateglinide alone to repaglinide alone suggests that there is an advantage to repaglinide whats stronger than ultram .269 Prandin lowered HbA, signifi- cantly more than Starlix did; it brought down fasting blood sugar better; and more than half (54 percent) of the patients on Prandin were able to get their HbA below 7 percent, whereas fewer than half (42 percent) of those or Starlix managed that osteoporosis lamotrigine . Of course, there’s a price amitza or zelnorm . Patients on Prandin were more likely to suffer from hypoglycemia (low blood sugar) rimonabant effect on abdominal fat . They also gained more weight (almost 4 pounds in 4 months), a discouraging side effect patient assistance program for accutane . -
These drugs are more effective in combination with metformin than they are on their own memory loss zoloft . 270 tricor cholesterol statin .27L272 Side effects of repaglinide include headache, joint or back pain, and tipper respiratory infection no prescription needed glyburide . Drugs such as ketoconazole (Nizoral) and clarithromycin (Biaxin) boost blood levels of repaglinide, and that could increase the likelihood of unpleasant reactions 2cialis compare levitra . Grapefruit affects the same enzyme (CYP3A4) and might have a similar effect side effects of mircette .
Exenatide (Byetta)
Exenatide (Byetta) is another treatment option for type 2 diabetics prograf pronounced . It has an interesting history zoloft user review . because it got started with research into the saliva of a poisonous Southwestern lizard called a Gila monster what is lexapro medicine . Byetta is injected and is used in combination with metformin or a blood sugar–lowering drug like glyburide claritin d warnings . Byetta reduces the bump in blood sugar after meals and can help diabetics lose weight kidney infection cipro .
The most common side effect is nausea, but the most serious is hypoglycemia sustiva drug . Adding Byetta to a medicine like glyburide increases the risk of a dangerous drop in blood glucose level difference between prilosec and zantac . Patients using Byetta must learn what to do if blood sugar drops too low zoloft causing excessive sweating . Other side effects include vomiting, diarrhea, dizziness, jitters, headache, and indigestion michael soma . Byetta should not be given to people with kidney problems or serious digestive disease prozac vs cymbalta . 273
Conclusions
By now, we hope you appreciate the importance of controlling blood sugar asacol delayed release tablet . Diabetes is common (some diabetologists believe it will soon affect nearly half the population), and its complications are devastating pfizer class action involving zoloft . We have tried to give you a variety of strategies to prevent or control this disease viagra and generic . Remember, though, that whatever tactics you adopt, you must work in close collaboration with your health-care providers prednisone and tracleer .
Below you will find an overview of our recommendations in this chapter rechargable aa lithium ion .
• Preventing diabetes is possible nolvadex steroids . Keep your weight under control, emphasize nonstarchy vegetables over pasta or bread, and avoid soft drinks, fruit juice, and processed meats you made everything possible again viagra .
• Get plenty of exercise, preferably including some time outdoors so you have 10 to 15 minutes of sunshine on your face and hands several days a week celexa proper dosage . If you don’t get outside, take 800 to 1,200 IU of vitamin D3 daily quetiapine and sustained release and dissolution .
• If you are diagnosed with diabetes, learn to monitor your blood sugar can toprol cause chronic abdominal distress . Keep track of how exercise and food affect it prozac and nerve receptors . Consider cinnamon or vinegar to help smooth out blood sugar in reaction to a carbohydrate meal nexium and indications .
• If you’re considering using herbs or dietary supplements such as chromium, bitter melon, fenugreek, Gymnema sylvestre, or nopal, check with your health-care providers before taking them zofran wafer . Monitor your blood sugar carefully ultram nopain .
• If medication becomes necessary, make sure that you and your physician find the safest and most effective option for you viagra nils . You shouldn’t have to suffer with dreadful side effects to keep your blood sugar under control iv ampicillin .

A-Z Principal Drugs (vasodilators - zuclopenthixol)

Saturday, June 27th, 2009

vasodilators Traditional vasodilators used in the prophylaxis and treatment of angina include glyceryl trinitrate and other nitrates. They have a general effect on the venous system but newer and more selectively acting antihypertensive drugs are the betaadrenoceptor blocking agents represented by propranolol, and the calcium channel blocking agents such as nifedipine. Other vasodilator drugs are the alpha-adrenoceptor blocking agents (indorarnin, prazosin) and the ACE inhibitors (captopril). Cerebral vasodilators are represented by isoxsuprine. Peripheral vasodilators include cinnarizine and thymoxamine. See pages 114 & 148.
vasopressin A preparation of the blood pressure- raising and antidiuretic factors of the pituitary gland. It has been used in doses of 5-20 units twice daily by s.c. or i.m. injection in diabetes insipidus, but has been largely superseded by demopressin. (Pilressin).
vecuronitim A non-depolarizing muscle relaxant of the rocuronium type. It has a medium duration of action, with the advantage of not causing histamine release. Dose: 80-100fLgjkg1min initially, with supplementary doses as required. (Norcuron).
venlafaxine An antidepressant that inhibits the re-uptake of both serotonin and nor-adrenaline.
Dose: in depressive illness, 75 mg daily, rising if necessary after some weeks to 150 ing daily, or exceptionally to 375 mg daily. Prolonged treatment is necessary for an adequate response and reduce potential relapse. Reduced doses are given in hepatic disease and lite elderly. Care is necessary in epilepsy, and before and after morloaniine oxidase inhibator (MAGI) therapy. Many side-effects have been noted, but any skin reaction should be reported to the prescriber. (Ffcxor). See page 128 and Table 11.
Dose: 120-480 mg daily according to the condition and degree of response. In severe arrhythinias, 5-10 mg i.v. under ECG control. Contraindicated in bradycardia, heart failure and heart block. Side-effects include nausea, hypotension and heart block. It should be used with caution in a patient already receiving a betaadrenoceptor blocking agent. (Cordilox; Securon). See page 148 and Table 21.
vigabatrin A new anti-epileptic drug. GABA (a gamma aminobutyric acid) is an inhibitor of neurotransmission, and epileptic seizures may be linked with a GABA deficiency. Vigabatrin has an inhibitory action on the GABAmetabolizing enzyme, and so indirectly permits a rise in the brain level of GABA. It is used in the treatment of epilepsy not responding to other anticonvulsants. Dose: 2 g daily initially, with adjustments up to 4 g daily together with current antiepileptic therapy. Side effects are numerous, and include drowsiness, fatigue, dizziness and weight gain. Sudden withdrawal is inadvisable. (Sabril). See page 136 and Table 15.
viloxazine An antidepressant with the general action, uses and side-effects of amitriptyline, but with a reduced sedative activity. It is given in depression associated with apathy, and in the depression of epilepsy.
Dose: 150-400 mg daily. It may increase the action of phenytoin and antihypertensive agents. (Vivalan). See page 128 an(] Table 11.
vinblastine An alkaloid of periwinkle that has cytotoxic properties. It is used in the control of acute leukaemias, lymphomas and other malignant conditions, and in mycosis fungoides.
Dose: 100 ltrjkg weekly i.v., increased by 50 pg/ki; weekly, up to 500 µg/kg weekly according to response. Side-effects include myclosuppress.ion, neurotoxicity and abdominal disturbances. The drug should be handled with care as it is a tissue irritant. (Velbe). See page 122 and Table 8.
105
verapamil A calcium channel blocking agent that reduces the movement ofcalciurn ions in cardiac tissues. It reduces the oxygen demand as well as the contractility of the myocardium, and it is used in angina, arrhythmias and hypertension.
vincristine A vinca alkaloid with the action and uses of vinblastine, but much less likely to cause myclodepression. It is used mainly in the treatment of acute
leukaemias in children, Hodgkin’s disease and other malignant lymphomas.

Neuromuscular side-effects may limit the dose. Other side-effects are abdominal disturbance and alopecia. The injection of the drug requires care as it is a tissue irritant. (Oncovin). See page 122 and Table 8.
vindesine A vinca alkaloid with an action similar to that of vincristine. It is used mainly in acute lyniphoblastic leukaemia in children, and in other malignant conditions not responding to treatment.
Dose: 3 nig/m` weekly by i.m. injection, subsequently increased up to 5 mg/in’ according to response. The side-effects are similar to those of other vinca alkaloids, but granulocytopenia may be a close-limiting factor. Extravasation should he avoided, as it may cause considerable local irritation. (Eldesine). See page 122 and fable R.
woo
vitamin D. Calciferol.
vitamin E The vitamin in the germ of wheat, rice and other grains. Deficiency States are uncommon, but may occur in cystic fibrosis and other conditions where fat absorption is impaired. It has been used empirically in many other
conditions, but its therapeutic value is questionable.
Dose: 5-15 ing daily. Now largely replaced by the synthetic form tocopherol.
vitamin K The vitamin concerned with the formation of prothrombin, and so with blood coagulation. Given as menadiol in haemorrhagic disorders, vitamin K, or phytomenadione has a similar but more rapid and sustained action. Of no value when the prothrombin level of the blood is adequate.
106
vinorelbine A cytostatic drug of the vinca alkaloid type. It is used in non-small cell lung cancer and in advanced breast cancer resistant to other drugs.
Dose: 25-36 ing/inweekly by i.v.
infusion. Main side-effect is neutropenia. (Navelbine). See page 122.
vitamin A One of the vitamins obtained from fish-liver oils. A deficiency in the diet causes night-blindness, skin changes and a decreased resistance to infection. Dose: 2500-25 000 units daily.
vitamin B A group of water soluble vitamins obtained from yeast or rice polishings. The constituents include thiamine, riboflavine, nicotinic acid, pyridoxine, and small amounts of other factors.
vitamin B. Pyridoxine.
vitamin B,, Cynacobalamin. vitamin C Ascorbic acid.
warfarin A synthetic anticoagulant similar to phenindione, but with reduced side-effects and it is now the preferred drug. It is used mainly in deep-vein thrombosis and transient brain ischaernia, in doses based on the prothrombin time as
reported by the laboratory in terms of the International Normalized Ratio (INR). Dose: Pending INR report, 10 ing daily initially for up to 3 days. Haemorrhage is the main side-effect, and may require the use of phytornenadione to control the excessive response.
Whitfield’s ointment Benzoic acid 6%, salicylic acid 3%. Has keratolytic and fungicidal properties, and is used mainly for ringworm.
wool alcohols A water-in-oil emulsifying agent obtained from wool fat. It is used in many water-containing ointments, such as ointment of wool alcohols and hydrous ointment.
vitamin D The vitamin essential for the absorption of calcium and phosphorus and subsequent bone formation. Several forms of the vitamin are known, but it is used chiefly as calciferol. Vitamin D is activated in the liver and kidneys to more powerful derivatives such as calcitriol and alfacalcidol.
wool fat A pale yellow, waxy substance, also known as lanolin, obtained from sheep’s wool. It consists mainly of cholesterol-derivatives, and is a constituent of various water-in-oil emulsifying and emollient ointment bases. It may cause skin sensitization in some susceptible patients.

xamoterol A partial 0, adrenoceptor agonist with a cardiac stimulant action. It is given only in mild chronic heart failure to control exercise-induced symptoms. Dose: 400 ing daily. Side-effects are dizziness, headache and gastrointestinal disturbances. Contraindicated in severe heart failure, and care is necessary in asthmatic conditions. (Corwin). See page 141 and Table 18.
xipamide A long-acting diuretic and anti-hypertensive similar to chlorthalidone. Dose: in hypertension, 20 ing is given as a morning close: in oedematous states, 40-90 mg as a single dose, reduced later as necessary. (Diurexan). See page 148 and Table 21.
xylometazoline A sympathomimetic agent used as a nasal decongestant, and to relieve allergic conjuncfivitis as drops of 0.05-0.1%. Rebound congestion may be a side-effect.
Z
zalcitabineV An antiviral agent used in the suppressive treatment of AIDS patients who have become resistant to or have failed to respond to zidovudine therapy. Dose: 2.25 nig daily under expert supervision, as the drug has many side-effects including
., peripheral neuropathy. 0 livid).
zidovudine An antiviral agent effective against the human immunodeficiency virus (HIV) associated with the acquired immune deficiency syndrome (AIDS). It inhibits the enzyme reverse transcriptase and, by preventing the formation of viral DNIA, it inhibits viral development. Dose: 33 ing/kg4-hourly for some months. Side-effects include anaemia, neutropenia, nausea, fever and malaise. Liver-function tests are necessary during treatment. The chronic use of analgesics such as paracetamol may increase the risk of neutropenia. (Retrovir). See page 144 and “table 19.
zinc oxide A soft white powder widely used in dusting powders, ointments, pastes, etc., for its mild astringent and antiseptic properties. It is a constituent of Lassar’s paste, Unna’s paste, Calamine Lotion and similar preparations.
zinc sulphate Used as an astringent and stimulating lotion (1%) for indolent ulcers; and in conjunctivitis as eye drops (0.25%).
zinc undecenoate A white insoluble powder. Constituent of dusting powders and ointments for mycolic conditions.
zolmitriptan A serotonin receptor agonist used only in the treatment of acute migraine.
Dose: 2.5 ing as soon as possible after onset. .A second dose may be given not less than 2 hours later if symptoms persist. Vornig). See page 154 and Table 23.
zolpidem A mild hypnotic that acts by binding with a sub-group of benzodiazepine receptors. It has a rapid action, and is used in the short-term treatment of insomnia.
Dose: 10 mg. Side-effects are dizziness and gastrointestinal disturbance. (SI ilnoct). See page 152 and Table 22.
zopiclone A mild hypnotic that binds with a sub-group of benzodiazepine receptors, and may modulate the neurotransmitter GABA.
Dose: in insomnia and early awakening, 7.. —]S mg with initial doses of 3.75 mg for the elderly. A side-effect is a bitter or metallic after-taste. (Zimovane). See page 152.
zuclopenthixol A powerful tranquillizing drug with actions, uses and side-effects similar to those of chlorpromazine. It is of value in schizophrenia with agitation and aggression.
Dose: 20-30 mg or more up to 150 mg daily. For depot maintenance treatment, 100-200 mg or more by deep i.m. injection at intervals of 2-3 weeks, according to need and response. (Clopixol). See page 168.

A-Z Principal Drugs (potassium permanganate - proxymetacaine)

Saturday, June 27th, 2009

potassium permanganate Purple crystals, soluble in water. A powerful oxidizing and deodorizing agent used 1:1000 as lotion, 1:10000 to 1:5000 as mouthwash, douche, bladder washout and bath.
povidone-iodine A complex of iodine with an organic carrier. When applied to the skin it slowly releases iodine, and has an extended antiseptic action. Used for local application to the skin and mucous membranes as solution containing the equivalent of 0.75-1 % of iodine.
pralidoxime A reactivator of cholinesterase. Organophosphorus insecticides inhibit that enzyme, and poisoning by such insecticides is an occupational hazard. Their toxicity can be reversed in part by the injection of 2 mg atropine, but the enzyme can be reactivated and muscle power restored by pralidoxime (30 mglkg) given by slow i.v. injection, repeated as required. It is effective only if given within 24 hours of exposure to the insecticide.
pravastatin A blood lipid-lowering agent with the specific enzyme-inhibiting properties of simvastatin, and used in primary hypercholesterolaemia not responding to the other drugs.
Dose: 10 -40 mg daily as a single dose. Side-effects include myalgia, rash and gastrointestinal disturbances. (Lipostat). See page 146 and Table 20.
prazinquantel A schistosomicide of low toxicity, effective against Schistosonia hamratobium, S, mansoni and S. japonicum It is also active against tapeworm. Dose: 10-20nig/kg as a single oral dose. (Biltricide).
prazosin An alpha-adrenoceptor blocking agent and vasodilator used in the treatment of hypertension and congestive heart failure.
Dose: I mg daily initially, increased as required up to a maximum of 20 mg daily. The initial dose may cause marked hypotension, and it should be taken at night, in bed. prazosin is also given in benign prostatic hypertrophy in maintenance doses of 4 mg daily. Side-effects are drowsiness, nausea and postural hypotension. (Hypovase). See page 148 and Table 21.
prednisolone A glucocorticosteroid with the actions and uses of hydrocortisone, but effective in much lower doses. It is often the preferred drug for oral use, and is given in a wide range of conditions including asthma, severe allergic reactions, rheumatoid arthritis, collagen disorders and inflammatory skin conditions. prednisolone is also of value in leukaemia, ulcerative colitis, the nephrotic syndrome, pemphigus, sarcoidosis, myasthenia gravis, haemolytic anaemia, agranulocytosis and other blood dyscrasias. Large doses are given in the immunosuppressive control of transplant surgery. The dose varies with the nature and severity of the condition being treated, and in every case the lowest dose required to evoke an adequate response should be used, after which the dose should be reduced in stages. Dose: in rheumatoid arthritis, 7.5-10 ing daily initially; other conditions may require doses up to 100 mg daily. Dose by i.m. injection 25-100 ing once or twice a week. Asa retention enema, 20 mg to relieve the inflammation of colitis and Crohn’s disease; as eye drops and ear drops, 0.5% solution. The side-effects are those of the corticosteroids generally, and include salt and water retention, hypertension, muscle weakness and peptic ulcer.
prednisone A glucocorticosteroid that is converted to prednisolone in the body, and so has the actions and uses of that drug.
prilocaine A local anaesthetic with the actions, uses and side-effects of lignocaine. (Citanest).
primaquine An antimalarial drug used mainly to prevent a relapse of benign tertian malaria after treatment with chloroquine, as it kills the malarial parasites that may still be present in the liver. Dose: 13 mg daily, for 2-3 weeks after chloroquine treatment. Side-effects are nausea and abdominal pain.

primidone An anticonvulsant used in the treatment of grand mat and psychomotor epilepsy.
Dose: 125nig daily initially, slowly increased as required up to a maximum of 1.5 g daily. Side-effects include drowsiness, nausea, blurred vision and rash. (Mysoline). See page 136 and Table 15.
probenecid A uricosuric agent that
increases the excretion of uric acid, and so is useful in the treatment of gout and hv
I peruncacrina.
Dose: O.5-2 g daily. An adequate fluid intake and an alkaline urine are necessary for the best response. probenecid also delays the excretion of penicillin and sonic cephalosporins, and is given in doses of 2 g daily to raise the plasma level of those antibiotics. Side-effects include occasional nausea, flushing and dizziness. (Benernid). ,See page 140 and Table 17.
procainamide A procaine derivative occasionally of value in the treatment of ventricular arrhythmias.
Dose: till to 50 mg/kg daily. It is also given by slow i.v. injection under E’C.C, control in doses of 25-50 ing/tininute up to a maximum of I g. Side-effects are gastrointestinal disturbances, lever and rash. (Prones(vi).
severe nausea and vomiting, 20 mg orally, or 12.5 mg by deep i.m. injection. It is also used as suppositories of 25 ing. (Stemetil). See page 168 and Table 30.
procyclidine An anticholinergic drug similar to benzhexol, used mainly in the treatment of parkinsonism. Reduces rigidity more than tremor.
Dose: 73-30 mg daily. In acute states it is given by i.m. injection in (loses of-i-10 mg, or 5 mg doses i.v. (Arpicolin; Kernadrin). See page 160 and Table 26.
progesterone The hormone of the corpus luicum, responsible for the preparation of the uterus to receive a fertilized ovum. It is used in dysfunctional uterine bleeding and in the premenstrual syndrome. Dose: 200-400 nig daily per ragina on a cyclic basis. (Cyclogest). Also a constituent of sonic oral contraceptives. See dydrogesteronc and norethisterone.
proguanil hydrochloride A synthetic antimalarial of high potency and low toxicity, used in the prophylaxis and suppressive treatment of malaria, often in association with chloroquine.
Dose: 100-200 rig daily, and continued for 6 weeks after leaving the infected area. (PaILICIrinc).
85
procaine A local anaesthetic now largely replaced by lignocaine.
procaine penicillin An old long-acting loan of penicillin, given together with penicillin G to obtain a high initial blood level. It is now used mainly in early syphilis. Dose: 900 mg daily by Lin. injection for 10 days. (Ificillin).
procarbazine A cytotoxic drug used mainly as part of a multi-drug treatment of Hodgkin’s disease. It is also used to treat other lymphomas no longer responding to other therapy.
Dose: 50 ing initially, increasing to a maxiintini of 300 mg daily. Side-effects include nausea, anorexia and bone marrow depression. Alcohol may cause a disulfiram reaction. (Nitulan). See page 122 and Table 8.
prochlorperazine A tranquillizer with the actions, uses and side-effects of chlorpromazine.
Dose: in schizophrenia, 25-100 Tng daily; in severe anxiety, 15-20 mg daily. In
promazine A tranquillizer with the actions, uses and side-effects of chlorpromazine, but less potent. It is used mainly to
control agitation in the elderly, and in other minor conditions of psychiatric disturbance.
Dose: 50-800 ing daily, adjusted to need .111d response; by injection 25-50 mg. (Sparine).
promethazine A long-acting antihistamine with sedative properties. It is used for the relief of a wide range of allergic conditions, in mild insomnia and for preoperative sedation. It is also of value as an antiemetic in the prophylaxis and treatment of travel sickness, vertigo and drug-induced nausea.
Dose: 25-50 mg daily; 25-100 ing by deep i.m. injection. In anaphylaxis, sometimes given by slow i.v. injection in doses up to 100 mg to supplement previously injected adrenaline. The side-effects are those of the antihistamines generally. (Phenergan). See page 110 and Table 2.

propafenone An anti-arrhythmic agent of the lignocaine type, used in the prophylaxis and treatment ofventricular arrhythmias. Dose: under ECG control 450 ing daily initially, after food, increased at 3-day intervals up to a maximum of 900 mg daily. Side-effects are dizziness, gastrointestinal disturbances and postural hypotension. (Arythniol).
propantheline An anticholinergic agent used as a spasmolytic in gastrointestinal disorders, in urinary frequency associated with bladder neck weakness, and in nocturnal enuresis.
Dose: 45-120 mg daily at least I hour before food. Side-effects include dryness of the mouth and blurred vision. (Pro- Banthine). See page 174 and Table 33.
propofol A non-irritant short-acting i.v. anaesthetic for smooth induction and maintenance of general anaesthesia for up to I hour. Dose: 2-2.5 mgft initially, followed by Supplementary doses of 0.1-0.2
ing/kg1min as required but some local pain may occur. Side-effects include mild hypotension, transient apnoea an([ bradycardia. Recovery is normally rapid and uneventful but delayed recovery, convulsions and anaphylaxis have been reported. Care is necessary in cardiovascular, respiratory or renal impairment. (Diprivan).
propranolol A beta-adrenoceptor blocking agent that reduces the cardiac response to circulating adrenaline and noracircrialine. It reduces the load on the heart during
exercise and stress, and is used in the treatment of angina, coronary insufficiency, cardiac arrhythmias, hypertension, and after myocardial infarction. It also ameliorates the tremor and palpitation of transient anxiety and stress, and is useful ill the prophylactic treatment of migraine. Dose: 160-320 mg daily according to need. In arrhythmias and thyrotoxic crisis, propranolol is given by slow i.v. injection in doses of I ing, repeated up to a maximum of 10 ing. Side-effects are bradycardia, bronchospasni and gastrointestinal disturbances. Care is necessary in renal and hepatic deficiency, asthma is a contraindication. (Inderal). See page 146 and’I'able 21.
propylthiouracil A thyroid inhibitor occasionally used as an alternative to carbiniazole in hyperthyroidism. Dose: 300-450 ing daily.
prostacyclin See epoprostenol.
prostaglandin A generic term applied to a series of closely related hormone-like fatty acid derivatives, originally extracted front the prostate gland, but now prepared
synthetically. Prostaglandins are widely distributed in animal tissues, and have a complex and varying range of biological activity.’rhus they may have a smooth muscle stimulating or relaxant action, pressor, vasodilator, inflammatory or other properties. The anti-inflammatory action of aspirin and related drugs is due to an inhibition of prostaglandin synthesis. See alprostadil, carboprost, dinoprostone and genieprost.
protamine sulphate A simple protein obtained from fish sperm. It neutralizes the anticoagulant effect of heparin, and it is used in controlling the haemorrhage i hat may occur during heparin therapy. Dose: 1% solution i.v. according to need; ling will neutralize 80-100 units of heparin.
prothionamide A second-line antitubercular drug that has been used in resistant tuberculosis. See page 170 and Table 31. It has also been used in the treatment of leprosy.
protirelin The thyrotrophin- releasing hormone (TRH) of the hypothalamus. Dose: in the diagnosis of hyperthyroidism, as a single i.v. dose ol’200 pg. It normally induces a rapid rise in the plasma levels of thyrotrophin, but in thyrotoxicosis that rise does not occur. Side-effects include nausea, flushing, a strange taste and urinary urgency.
protriptyline A tricyclic antidepressant with actions and uses similar to amitriptyline. It is used in depression associated with apathy, as it has some stimulant action. Dose: 15-40 mg daily. Side-effects are cardiovascular distu&nce, rash and photosensitivity. (Concordia). See
page 128 and Table 11.
proxymetacaine A local anaesthetic used as 0.5% drops in ophthalmology. (Oplithaine).
pseudoephedrine A drug very closely related to ephedrine, but now used mainly as a respiratory decongestant. It has been used in nocturnal enuresis, but may cause hallucinations in sonic children.

A-Z Principal Drugs (oxitropium - pethidine )

Saturday, June 27th, 2009

oxitropium An anticholinergic bronchodilator similar to ipratropium, and used by aerosol inhalation in stable chronic asthma and related conditions.
Dose: 200-300pg (4-6 puffs) daily. . See page 118 and Table 6.

Dose: 1-3 mega-units/min by i.v. infu,ion only, with monitoring. Excessive doses may cause severe uterine contractions with the risk of fetal asphyxiation. (Syntocinon).

oxpentity1fine An aminophyline-like drug used mainly as a vasodilator in periphei at vascular disorders.
Dose: 800-1200 mg. It may cause nausea, flushing and dizziness. Care is necessary in hypotensive states. (Trental).
oxprenoW A beta- ad renoceptor blocking agent with the actions, uses and side-effects of propranolol. It also has anxiolytic properties, and may reduce the symptoms of transient stress such as tremor and palpitations.
Dose: 60-480 mg daily. (Slow- Trasicor). See page 148 and Table 21.
oxybuprocaine A local anaesthetic for ophthalmic use, including tonometry, as a 0.4% solution.
oxybutynin An anticholinergic antispasmodic that promotes relaxation of the detrusor muscle of the bladder.
Dose: in urinary incontinence, 10-20 ing daily; 10 mg daily for children with neurogenic bladder instability. Side-effects are those of anticholinergic drugs generally. (Cystrin; Ditropan). See page 174.
toxycodone A powerful narcotic analgesic with a prolonged action. Used as suppositories of 30 mg in terminal care.
oxypertine A tranquillizer with a chlorpromazine-like action, and used in anxiety neuroses, psychoses and schizophrenic states.
Dose: 30-60 mg daily in anxiety states; up to 300 nig daily in schizophrenia.In higher doses it may cause nausea, dizziness and drowsiness. See page 168 and Table 30.
paclitaxelk’ A new cytotoxic agent originally obtained from the bark of the Pacific Yew. It prevents mitosis and inhibits cell growth by stabilizing microtubule production. It is used by specialists for metastatic ovarian cancer not responding to platinum therapy. Premedication is necessary to prevent severe hypersensitivity reactions. (Taxol). See page 122 and,rable 8.
pamidronate disodium A bisphosphonate with the actions and uses of etidronate. It is used mainly in the hypercalcaemia of malignancy, as it inhibits the development of active osteoclasts.
Dose: by i.v. infusion 10-90 mg or more according to the degree of hypercalcaemia. The initial response may occur within 24-48 hours. Dose in Paget’s disease of bone, 30 nig weekly. Care is necessary in marked renal impairment. (Aredia).
pancreatin A preparation containing the pancreatic enzymes, trypsin, lipase and amylase. It is used to aid the digestion of fats, proteins and carbohydrates in cystic fibrosis and pancreatitis. Some high-strength products have caused fibrotic strictures of the large bowel.
pancuronium A non-depolarizing or competitive muscle relaxant that has little histamine-releasing or cardiovascular action.
Dose: 50-100 pg/kg i.v. initially with Supplementary doses of 10-20 pg/kg as required. (Pavulon).
oxytetracycline (Terramycin). See tetracv-
oxytocin The oxytocic fraction of pituitary extract, but now made synthetically. Used for the induction and maintenance of labour, and to control post-partum haemorrhage, either alone or in association with ergometrinc.
pantoprazoleV A proton pump inhibitor similar to omeprazole, used in peptic ulcer and reflex oesophagitis.
Dose: 40 mg daily with breakfast. The tablets must be swallowed whole with water, and not chewed or crushed. (Proteunfl. See page 162 and Table 27.
papaveretum A preparation of the alkaloids of opium, containing approximately 50% of morphine together with papaverine and codeine. Used mainly by injection, often in association with hyoscine (scopolamine) for premedication. Dose: 7.7-15.4 nig repeated as required.
papaverine One of the alkaloids of opium. It has little analgesic action, and has been used mainly as a smooth muscle relaxant in peripheral vascular diseases. More recently it has been used by intracavernosal injection in the treatment of impotence.
paracetamol A widely used mild analgesic with few side-effects except in large doses. It differs from aspirin in the absence of any anti-inflammatory action.
Dose: 2-4 g daily. Paediatric suppositories of 125 mg are available. Overdose may cause severe liver damage (see acetylcysIcinc).
paraffin A generic name for hydrocarbon mixtures. Soft paraffin is the common ointment base; liquid paraffin is a lubricant laxative. Hard paraffin was used in the wax bath treatment of rheumatic conditions.
paraldehyde A colourless liquid with a strong characteristic odour. It was once used as a chloral-like sedative causing little respiratory depression; now given by deep i.m. injection in status asthinaticus. Dose: 5-10 nil. Occasionally given in similar doses by rectUril, diluted with saline or arachis oil. Discoloured paraldehyde must not be used.
paroxetine A selective inhibitor of sero(011111 uptake in the central nervous system, and indicated in the treatment of depression.
Dose: 20 ing daily, initially in the morning, with food, slowly increased as required to 50 mg daily. It should not be given with any other drug likely to increase serotonin uptake. Side-effects are nausea, drowsiness and insomnia. Extrapyramidal reactions may occur more often with paroxetine. (Seroxat). See page 128 and Table i I.
penciclovir An antiviral agent used as a 1% cream for cold sores (Herpes kabialis). Treatment should be started as soon as possible by applying the cream every 2 hours for 4 days. (Vectavir). See page 144 anti Table 19.
penicillarnine A breakdown product of penicillin which has the power of combining with certain metals to form a water-soluble, non-toxic complex that is excreted in the urine. It is used in Wilson’s disease, which is due to the retention of copper in the body, in poisoning by lead and mercury, in chronic active hepatitis (after the condition has been controlled), in cystinuria, and in severe rheumatoid arthritis in which it has an action similar to that of gold.
Dose: in Wilson’s disease, 1.5-2 g daily before food for sonic months. In chronic hepatitis, 500 mg daily initially, slowly increased over some weeks to 1.25g daily. In rheumatoid arthritis, 125-250 trig daily initially before food, slowly increased at monthly intervals with maintenance doses of 500-750 mg daily. Patients should be warned that the response in rheumatoid arthritis is slow. In cystinuria, 1-3 g daily with adequate fluids, ad iusted later to maintain the urinary cysteine level below 200 mg/I. Dose in heavy metal poisoning, 2g daily. Side-effects include nausea, loss of taste, rash and thrombocytopenia. Blood Counts during treatment are essential and patients should be advised to report most side-effects. A late onset rash may require cessation of treatment. (Distarnine; Pendramine). See page 165 and Table 29.
penicillin, benzyl penicillin, penicillin G I lie first of the antibiotics. It acts by pre venting the development of the bacterial cell wall, but some groups of organisms vary widely in the degree of sensitivity to penicillin, and it is inactivated by penicillinase-producing organisms. Penicillin is inactive orally, and so is given by i.m. injection, but as it is rapidly excreted the action is relatively brief. Derivatives such as procaine-penicillin have a longer action (penicillin V is an orally active derivative). The main side-effect is hypersensitivity, and sensitivity to one penicillin extends to any other penicillin, and may also include sensitivity to the related cephalosporins. High doses of penicillin, especially in patients with renal insufficiency, may occasionally cause cerebral irritation and encephalopathy. Cloxacillin and amoxycillin are derivatives of penicillin active against resistant staphylococci; ampicillin has a wide range of activity against Gram-positive and Gram-negative organisms; piperacillin and ticarcillin are active against Pseudomottas acruginosa.

pentaerythitol tetranitrate A vasodilator with properties resembling those of glyceryl trinitrate, but with a more prolonged action. Used mainly in the prophylaxis of angina as side-effects are relatively infrequent.
Dose: 60-240 mg daily. (Mycardol). See page 114 and Table 4.
pentamidine A synthetic drug used in the treatment ofPneutnocystiscarinii pneumonia in AIDS and other immunocompromised patients, as an alternative to co-trimoxazole.
Dose: 4 nig/kg daily by i.v. infusion for 14 clays or more, or by inhalation of a nebulized solution. Other dosage schemes are used in the treatment of’trypaiiosomiasis and leislunaniasis. Severe reactions, particularly hypotension, may occur, and pentamidine should be used only under expert supervision. (Pentacarinao.
pentastarch A starch-derived plasma substitute used as a 10% solution in burns and septicaemia.
Dose: by i.v. infusion 500 nil-21.. (Haes.
See hetastarch.
tpentazocine A powerful analgesic of the morphine type, but less likely to cause addiction, although dependence may occur with long treatment.
Dose: 100 -400 nig daily after food, up to 360 nig daily by injection. Suppositories of 50 mg are available. Hallucinations ions are an occasional side-effect. It should be
avoided after myocardial infarction as it may increase the cardiac load. Other side effects include dizziness, nausea, tachycardia and rash. It should be avoided in opioid-dependent patients. (Fortral).
pentostatin A potent cytotoxic agent used in hairy cell leukaemia. It is an inhibitor of adenosine deaminase, and may affect RNA synthesis and cause DNA breakdown.
Dose: i.v. under specialist supervision, 4 ing/ni’every other week, continued up to 6 months unless a remission has been achieved. Side-effects include myelosuppression, leukopenia, renal and liver toxicity and rash. Blood counts are necessary during treatment. (Nipent). See page 122.
peppermint oil Aromatic carminative. Dose: 0.2 -0.4 ml. (Colpermin; Nlintec).
pergolide A dopamine agonist with a stimulating action on both D, and D, receptors. It is used in the auxiliary treatment of parkinsonism, and combined treatment may permit a reduction in the dose of levodopa and its side-effects. Dose: 100 jig daily initially, slowly increased at 3-day intervals according to response, with care taken to avoid initial hypotension. Other side-effects include nausea, diarrhoea, confusion and hallucinations. (Celance). See page 160 and
pericyazine A tranquillizer of the chlorpromazine type with similar uses and side-effects. It is used mainly in schizophrenia and severe anxiety states.
Dose: 15-75ingdaily, slowly Y increased according to need up to 300 111g. ( Neulactil). See page 168 and Table 30.
perindopril A long-acting ACE inhibitor used in the control of essential hypertension not responding to other drugs. Dose: initially, it single daily dose of 2 mg (before food), subsequently adjusted up to a maximum of 8 nig daily. Diuretic therapy should first be withdrawn for 2-3 days, and renal function should be assessed before and during treatment. It is also used as supplementary therapy in heart failure in doses of 2-4 ing. (Coversyl). See page H8 and Table 21.
permethrin An insecticide used as 1% cream for head lice, and 5% cream for scabies. (Lyclear).
perphenazine A tranquillizer with the actions, uses and side-effects of chlorpromazine, but it is less sedating, and effective in lower doses.
Dose: psychiatric and antiemetic, 12-24 nig daily. It is sometimes useful in the control of, intractable hiccup. (Fentazin). See page 168 and Table 30.
pethidine A synthetic analgesic with spasmolytic properties. Widely employed as an alternative to morphine for pre- and post-operative use. Of value in obstetrics as it has a less depressant action than morphine on the respiration.

A-Z Principal Drugs (mepacrine - metriphonate )

Saturday, June 27th, 2009

mepacrine A synthetic antimalarial. Now replaced by chloroquine and other powerful drugs. It is used occasionally in the treatment for Giardia laynblia infections. Dose: 300 mg daily for 5-8 days.
tmeprobamate A mild tranquillizer used Ili anxiety and tension states, but its extended use may lead to dependence. Dose: 1.2-2.4 g daily. Side-effects are drowsiness, headache, gastrointestinal and visual disturbances. It has been largely replaced by benzodiazepine anxiolytics. (Equallil).
meptazinol An analgesic for the relief of moderate to severe pain. It has a more rapid and extended action than morphine, and is less likely to cause respiratory depression or induce dependence.
Dose: 800-1600 nig orally daily. In severe pain, 50-100nig by injection, repeated as required; in obstetric analgesia, 2 nig/kg. The action can be partly antagonized by naloxone. Side-effects include dizziness and nausea. (IMeptid).
rinequitisizine An antihistamine used for the symptomatic relief of allergic states such as haytever and urticaria. It is less likely to Cause sedation than sonic other antihistamines.
Dose: 10 mg daily. Side-effects may include dry mouth and blurred vision. (Prinialan). See page 110 and Table 2.
mercaptopurine A cytotoxic agent used in the treatment of acute leukaemia.
Dose: 2.5 niWkg daily. Close haernatologi,al control is essential, as the drug has .1 marked niyelosuppressive action. \.lercaptopurine is also hepatotoxic, and should be withdrawn if jaundice occurs. (Puri-Nethol). See page 122 and Table 8.
meropenem An antibiotic similar to imipenem. but more resistant to breakdown by renal enzymes, so combined use with an enzyme inhibitor is unnecessary. Dose: given by i.v. infusion in doses of 500 mg-2 g 8-hourly according to the severity of the infection. Care is necessary in hepatic disease. (Meronem).
mesalazine The active metabolite of sulphasalazine. It is not suitable for oral
use as such, but can be given as a resin-drug complex, so that the drug reaches and is released in the colon unchanged. It is used both for the acute attack and for the maintenance of remission of ulcerative colitis, particularly in patients unable to tolerate sulphasalazine.
Dose: 1.2-2.4 g daily. Side-effects include gastrointestinal disturbances, and care is necessary in patients hypersensitive to salicylates. Patients should be advised to report an), bruising, bleeding or malaise. If .a blood dyscrasia is suspected, a [)food count should be done and the drug withdrawn. Lactulose should not be used as a laxative, as it may hinder the release of the active drug. Also used as enema and suppositories. (Asacol; Pentasa; Salofalk). See page 172 and Table 32.
mesna A compound used to prevent the liaemorrhagic cystitis caused by the cytotoxic drugs cyclophosphamide and ifosfamide. The reaction is caused by the metabolite acrolein, and mesna reduces the toxicity by combining with acrolein in the urinary tract.
Dose: 20%, of that of the cytotoxic drug, and should be given at the same time by i.v. injection. Subsequent supportive doses may be given orally or by injection il - 8 hours after therapy. (Uromitexan).
mesterolone An orally active androgen with the actions and uses of testosterone. It is used in androgen deficiency and male infertility but, unlike other androgens, it does not inhibit endogenous androgen production, and is less hepatotoxic. Dose: 75-100 mg daily for sonic months. (I'm Viron).
mestranol An orally active oestrogen present in some oral contraceptive products. See page 264.
metaraminol A sympathornimetic agent that increases the blood pressure by a general constriction of the peripheral blood vessels. It is used mainly in the acute hypotension that may occur with spinal anaesthesia. It has also been used in shock, but the use of vasoconstrictors has declined, as in shock the peripheral resistance may be already high, and the use of blood volume expanders and dopamine and dubotamine is now preferred.
Dose: 15-100 mg 1)), i.v. infusion. Side-effects are tachycardia and reduced renal blood How. It is contraindicated in myocardial infarction. (Aramine).
metformin An orally active biguanide hypoglycaemic agent. Its action differs from that of the sulphonylureas, as it acts by increasing the peripheral uptake of glucose. It is used mainly in non-insulindependent diabetes not controlled by diet and sulphonylurea therapy.
Dose: 1.5-3 g daily according to need and response. Side-effects include nausea and transient diarrhoea. 11 may cause lactic acidosis and it should not be used in patients with renal impairment. (Glucophage). See page 131 and Table 13.
tmethadone A morphine-like analgesic with reduced sedative effects. Ofvalue in severe pain, and in the relief of useless cough in terminal disease.
Dose: 5-10 mg orally or by i.m. or s.c. injection, in intervals according to need. Prolonged treatment carries the risk of cumulative effects and overdose.
(Physeptone).
methenamine See hexarnine.
methionine A sulphur-containing amino acid essential for nutrition. It is used mainly in paracetamol poisoning, often with acetyl cysteine, and given within 10-12 hours.
Dose: 2.5 g 4-hourly up to a total of [0 g.
methocarbamol A skeletal muscle relaxant used in muscle injury and spasm.
Dose: 6g daily orally; 1-3 g daily by slow i.v. injection. It may cause drowsiness, dizziness and allergic rash. Contraindicated in epilepsy and myasthenia gravis. (Robaxin).
methohexitone A short-acting i.v. anaesthetic similar to thiopentone. It is used mainly for the induction and maintenance of anaesthesia for short operative procedures, when the quick recovery may be an advantage. (Brietal).
methotrexate A cytotoxic agent that acts by inhibiting the synthesis of purines, and so indirectly interferes with cell proliferation. It is used chiefly for maintenance therapy in the remission of acute lymphoblastic leukaemia in children, but it has been used in choriocarcinoma as well as some lymphomas and solid tumours.
Dose: in children, I5 mg/in' weekly. It is sometimes effective in resistant psoriasis, and is given in oral doses of 10-25 nig weekly under specialist supervision. It is occasionally used in severe rheumatoid arthritis not responding to other treatment in doses of 7.5 mg once weekly. Side-effects are those of gastrointestinal toxicity, niyelodepression, rash and cirrhosis. Blood counts and liver function tests during treatment are essential. Cough and dyspnea may indicate pulmonary toxicity. Aspirin and non-steroidal anti-inflaniniatory drugs (NSAIDs) should be avoided, as they delay the excretion of methotrexate and increase its toxicity. See page 122 and Table 8.
methotrimeprazine An antipsychotic agent of the chlorpromazine type, with similar actions, Uses and side-effects. It is used in schizophrenia when a sedative effect is also required.
Dose: 25 -50 mg daily, but much larger doses, up to 1 g daily, may be required, particularly for bedfast patients. It is of value as an adjunct to other therapy in terminal illness and is sometimes given by continuous s.c. infusion in doses of 25-200 ing over 24 hours. Postural hypotension may occur in elderly ambulant patients. (Nozinan). See page 168 and Table 30.
methoxamine A sympathomimetic agent that increases the blood pressure by constriction of the peripheral vessels. It is used in the hypotension following spinal anaesthesia; to correct an excessive response to antihypertensive drugs; and to arrest supraventricular tachycardia. Dose: 5-20 mg by i.m. injection; 5-10 mg by slow i.v. injection. Care is necessary in preexisting hypertension and cardiov.iwular disease (Vasoxine).
methyl cellulose A derivative of cellulose that is used as an emulsifying agent and bulk laxative.
Dose: 1.5-6g with water, but not at night. It is sometimes given in diarrhoea, with a minimum amount of water.
methyl salicylate A pale yellow liquid with a characteristic odour. It has long been used as wintergreen liniment and ointment for the local relief of muscle pain and rheumatic conditions, but is now less popular.

methylated spirit Alcohol containing 5% of wood naphtha. Used for skin preparation and alcoholic applications. The methylated spirit used domestically differs, and is coloured violet to indicate its unsuitability for medicinal use.
methylcysteine A sputum-liquefier claimed to be of value in respiratory conditions where the sputum is viscid. Dose: 600 ing daily. (Visclair).
! Met
other pressor amines. It is used mainly in the preoperative control of adrenaline-producing tumours (pliaeochrornocytoma), and in the long-term treatment of patients unsuitable for surgery.
Dose: I g daily initially, increased if necessary up t(') 4g daily. An adequate fluid intake is essential. Side-effects include sedation, which may be marked initially, diarrhoea, which maybe severe, depression and confusion. (Dernser).
so
methyidopa A centrally acting antihypertensive drug, usually given together with a diuretic. It has the advantage of being relatively safe in asthma, heart failure and pregnancy.
Dose: 750 ing-3 g daily; 250-500 mg by i.v. infusion. Side-effects are drowsiness, depression and diarrhoea. A systemic lupus crytheinatostis-like syndrome may also occur, and active liver disease is a contraindication. (Alcloinet). See page 148 an(] Table 21.
tmethylphenidate A central stimulant used occasionally under strict supervision for the treatment of hyperactive children. Dose: 5-10 mg daily. Witalin).
metoclopramide A stimulant of gastric and small intestine transport. It is used in the treatment of nausea and vomiting generally, including that induced by drugs or migraine, in non-ulcer dyspepsia, and in accelerating the passage of a barium meal.
Dose: 15-30 ing daily orally or by Lin. or i.v. injection. A single dose of 10-20 mg is given by injection 10 minutes before radiological examination. Side-effects include extra-pyramidal reactions, facial sprints and oculogyric crises, mainly in voting persons, and it is best avoided in patient., under 20 years of age. (Maxolon). Some long-acting products are also available. See page 158 and Table 25.
tmethylphenobarbitone An anticonvulsant with the actions, uses and side-effects of phenobarbitone.
Dose: in epilepsy, 100-600 ing daily. (Prominal). See page 136 and Table 15.
methylprednisolone A corticosteroid with the actions, uses and side-effects of prednisolone, and given in similar doses. (Medrone).
methysergide A synthetic drug related to ergonicirine and used in the prevention of severe and recurrent migraine not responding to other drugs.
Dose: 2-6 ing daily. It is also given fur the symptomatic treatment of the carcinoid syndrome in (loses of 12-20 ing daily. Mcthvsergide has many side-effects, including retroperitoneal and cardiac fibrosis, and its use requires expert supervision. (Des-A-ril)-See page 154 and] able 23.
metipranolol A beta-adrenoceptor blocking agent used as eye drops 0.1-0.6% for the treatment of chronic glaucoma.
metirosine An enzyme inhibitor that interferes with the synthesis of adrenaline and
metolazone A diuretic with the actions, uses and side-effects of bendrofluazide.
Dose: in hypertension, 5 mg daily I p
initially; in oedematous statcs,5-20ingor more daily may be given. The diuresis is increased by combined treatment with a loop diuretic such as ffl,lsemide, but monitoring of the response is necessary. (NIctinex). See page 148 and Table 21.
metoprolol A beta-blocking agent used in the control of angina, but also of value in hypertension and the prophylaxis of migraine.
Dose: in angina, 100-300 mg daily; in hypertension, 100-400 ing daily; in migraine prophylaxis and thyrotoxicosis 200 ing daily. It is occasionally given by slow i.v. injection in acute cardiac arrhythinias; dose 1-2 nighnin tip to a total of 10-15 mg. Care is necessary in heart block, bradycardia and pulmonary disease. (Betaloc; Lopresor). See page 114 and Table 4.
metriphonate An organophosphorus schistosornicide, but used only in infections of the hookworm Schistosonia haemobitim, which is found in the genitourinary veins.

Principal Drugs A-Z (dornase alfa - ether)

Friday, June 26th, 2009

dornase alfa A recombinant form of human deoxyribonuclease (rhDNase) used in cystic fibrosis. The viscous purulent airways secretion of that disease is due to the presence of large amounts of extra-cellular DNA from degenerating leucocytes. Dornase alfa breaks down the DNA and reduces the sputum viscosity. Dose: 2500 units daily by inhalation from it jet nebulizer. Daily treatment is necessary to maintain the response. (Ptilillozvme).
dorzolamide An inhibitor of carbonic anhydrase that reduces the amount of sodium bicarbonate in the aqueous humour of the eye. It is used as eye drops (2%) 2 or 3 times a day as adjunctive therapy in ocular hypertension when beta-blockers are unsuitable or ineffective. (Trusopt). See page 138 and Table 16.
dothiepin (dosulepin) A tricyclic antidepressant with the uses and side-effects of antitriptyline. It is used in the treatment of depression when a sedative action is also indicated.
Dose: 75-150 mg daily. It may also be given as a single nightly dose to reduce daytime drowsiness. (Prothiaden). See page 128 and Table 11.
doxapram A respiratory stimulant useful in postoperative respiratory failure under expert control.
Dose: by i.v. injection 1-1.5 nig1kg according to need. It is also given by i.v. infusion in doses controlled by arterial food gas studies. Side-effects include hypertension, Ypertension, bronchospasin and tachycardia. (Dopram).
doxepin An antidepressant with the actions, uses and side-effects of dothiepin.
Dose: 30–300 nig daily; a single dose of I Ito mg is sometimes given at night. (Sinequan). See page 128 and Table 11.
doxorubicin A cytotoxic antibiotic widely used in leukaemia, lymphosarcoma, breast and lung cancer.
Dose: by fast i.v. infusion 60-75 nigIm’ at intervals of 3 weeks, or 20-25 mg/m’ daily for 3 days. It is also used by bladder installation (50 mg in 50 nil of saline solution) for superficial bladder tumours. Side-effects include bone marrow depression, cardiac damage, alopecia, buccal ulceration and nausea. Doxorubicin is it skin irritant, and should he handled with care. See page 122 and Table 8.
doxycycline A long-acting tetracycline. Dose: 200 mg initially, followed by 100 ing its a single daily (lose. In acne, a dose of 50 mg daily is given for some weeks. It should be taken with adequate fluid, with the patient in a sitting or standing position. (Nordox; Vibramycin).
droperidol A tranquillizer with unusual properties. It is given in severe psychotic conditions such as mania, in drug-induced nausea and vomiting and for preoperative sedation. It is also given with fentanyl to produce a state of detachment (neuroleptanalgesia).
Dose: 20-120 ing daily; 5-10 ing by injection; in cancer therapy induced vomiting (loses of 1-3 nig/hr have been given by continuous i.v. infusion. Side-effects are those of chlorpromazine and haloperidol. (Droleptan).
doxazocin An alpha-adrenoceptor blocking agent of the prazosin type, but with a longer action that permits a single daily dose.
Dose: in hypertension I mg initially, slowly increased after 7-14 days to 2 mg daily, up to a daily maximum of 16 ing, usually in association with other amihypertensive drugs. It is also used in Iliesymptcunitic treatment ofbenign prostatic . P
hy erplasia. Side-effects are
dydrogesterone An orally active progestogen that is virtually free from
any oestrogenic or androgenic side-effects. It is used in amenorrhoea, endometriosis, functional uterine bleeding, and threatened abortion.
Dose: 10-30 mg daily. (Ouphastort).

econazole An antifungal agent similar in actions and uses to clotrimazole. (Ecostatin; Pcvaryl).
ecothiopate A potent and long-acting iniotic that has been used in glaucoma as eye drops of 0.03-0.25%. It may cause cataract; its availability is strictly limited.
edrophonium A very short-acting drug of the neostigniine type. It is used in the diagnosis of myasthenia gravis.
Dose: 2-10 nig by i.v. injection, which causes a marked but transient increase in muscle power if myasthenia gravis is present.
eformoterol A selective P2 stimulant (agonist) with a rapid initial action, used as supplementary treatment in patients receiving other bronchodilator therapy for reversible airway obstruction.
Dose: by inhalation: 12µg twice daily, doubled if necessary. (.are is necessary in ischaernic heart disease and diabetes. Not to be used for acute attacks. (Foradil). Sec page 118 and Table 6.
enalapril An ACE inhibitor used in the treatment of all types of hypertension, and in congestic heart failure, often together with a diuretic.
Dose: i ing daily initially, increase(] as required up to 40 mg daily, and often given as a single dose. Dizziness, hypotension and loss of taste are some side-effects. ! I imov.i, :. See page 148 and Table 21.
enflurane An inhalation anaesthetic with the actions and uses of halothane, but less potent.
epoetin alfa and beta Recombinant fornis of human erythropoietin. (Eprex; Recormon). See erythropoietin.
epoprostenol A prostaglandin present in the walls of blood vessels that inhibits platelet aggregation. It is used to prevent platelet aggregation during cardiopulmonary bypass and charcoal haemoperfusion, and as an alternative to heparin in renal dialysis.
Dose: 10-20 ng1kShnin by continuous i.v. infusion. Smaller doses in renal dialysis. It is also a vasodilator, and side-effects are flushing and hypotension. (Flolan).
enoxaparin A low-molecular weight and longer acting form of heparin. It has the general properties of heparin, but with less effect on blood platelet activity. It is used in the prevention of venous thrombosis. Dose: 20 mg by sx. injection once daily ( I hour before surgery) for 7-10 days. (Clexane). See certoparin, dalteparin and tinzaparin.
enoximone An inhibitor of the enzyme phosphodiesterase. It has a digoxin-like action on the myocardium and is used in
eptacog alfa See Factor VIIa.
ergocalciferol See calciferol.
ergometrine The principal alkaloid of ergot. It promotes uterine contraction and is used for the rapid control of postpartum haemorrhage. Dangerous in the early stages of labour.
Dose: 05-1 nig orally; or 200-500 jig by injection. It is often used together with oxycytocin as Syntometrine. Side-effects are nausea and transient hypertension.

ergot A fungus that develops in rye and replaces the normal grain. The active principles include ergometrine and ergotamine. Chronic toxic effects characterized by gangrene of the extremities have followed the use of ergot-contaminated rye bread.
ergotamine Air alkaloid of ergot that constricts the cranial arteries, and is used solely for the relief of migraine not responding to analgesic therapy. Early treatment evokes the best response.
Dose: 2 mg initially up to 6 ing during an attack, not to be repeated until after an interval of some days.”I oral dose in I week: 10– 12 mg. It is also given by oral inhalation in doses of 360pg ( I puff), repeated after 5 minutes, up to a maximum of 6 puffs daily. Side-effects include headache and nausea, and the drug should be withdrawn if tingling of the extremities occurs.
trot suitable for prophylaxis because of the risks of toxicity. (Lingriine). Sec page 154
erythromycin Air antibiotic, resembling penicillin in its general range of activity, with the advantage of being active orally. It is useful in streptococcal and respiratory infections and in penicillin-resistant staphylococcal infections. Erythromycin is also of value in penicillin-sensitive patients. It is also given as a prophylactic before dental surgery. Dose: up to 4 g daily; in severe infections it may lie given by slow i.v. infusion in closes of 50 mg/kg daily. Side-effects include nausea and vomiting, and diarrhoea may occur after high doses. Gore is necessary in hepatic impairment. Preparations of erythromycin estolate are contraindicated in liver disease. Erythromycin may potentiate the action of warfarin. It should not be given with aslenii/.ole or terfenadine.
erythropoietin (epoetin) A renal hormone that regulates blood cell production in the bone marrow. Patients with renal failure maintained by haemodialysis do not
produce epoetin, and so become anaemic. A recombinant form of erythropoietin is available for replacement therapy.
Dose: 20-50 units/kg 3 times a week by s.c. or i.v. injection under haematological control. Side-effects include headache and hypertension, but a sudden migraine-like pain may indicate air impending hypertensive crisis. (Eprex; Itecormon).
eserine See physotiginine.
esmolol A very short-acting betaadrenoceptor blocker used in the emergency treatment of supra-ventricular arrhythmias, tachycardia and perioperative hypertension.
Dose: by i.v. infusion 50-200pg/kg/rniri under close control. (Brevibloc).
estramustine A compound of oestradiol and inustine, designed to release mustinc at oestrogen-receptor sites. It has a more localized action and so causes less myelodepression. It is used mainly in prostatic carcinoma, especially when resistant to other therapy.
Dose: 0.56-1.4 g daily. It should not be taken with food or milk products. Side-effects include gastrointestinal disturbances, nausea and gynaccomastia. (Fstracyt). See page 122 and Table 8.
ethacrynic acid A loop diuretic with a rapid and intense action used mainly in oliguria due to renal failure.
Dose: 50 ing daily initially, increased as required up to a maximum of400rng daily or on alternate days. Ethacrynic acid is also given by slow i.v. iniection in doses of 50-100 mg in acute or refractory conditions. Side-effects include nausea, diarrhoea and deafness. Some hypotension may occur initially. (Edecrin).
ethambutol An antitubercular drug.
Dose: 15 mg/kg daily, together with i i lo i i ipic in or isoniazid. Lower doses should be given in renal damage. It may cause visual disturbances with loss of acuity, but recovery is usually complete on withdrawal of the drug. (Myarnbutol). See page 170 and Table 31.
ethamsylate A haemostatic used in the prophylaxis and treatment of periventricular haemorrhage in low birth-weight infants.
Dose: 12.5 mg/kg by injection 6-hourly within 2 hours of birth and continued for 4 days. It is also used orally in menorrhagia. Dose: 2g daily. (Dicynene).
ethanolamine oleate A sclerosing agent used for varicose veins and bleeding oesophageal varices.
Dose: by local i.v. injection, 2-5 nil.
ether A colourless inflammable liquid, once widely used as a general anaesthetic but now replaced by halothane.