Posts Tagged ‘sedative effects’

flumazenil A benzodiazepine antagonist used in anaesthesia to reverse the sedative effects of benzodiazepines.
Dose: 200µg initially by i.v. injection, with subsequent doses of 100 pg at I -minute intervals, up to a maximum of I mg. Further doses may be given by i.v. infusion if drowsiness returns, as the action of flumazenil is brief. ( Anexate).
flunisolide A potent corticosteroid used locally in the more severe forms of hay fever and other nasal allergies.
Dose: 1)), nasal inhalation, 50pg (2 sprays), 2 or 3 times a day, continued for 2-3 weeks, or longer if required. (Syntaris).
flunitrazepam A benzodiazepine with a hypnotic action used for the short-term treatment of insomnia.
Dose: 0.5-2 nig. Side-effects include drowsiness, ataxia and visual disturbances. (Rohypnol). See page 152 and Table 22.
fluocinolone A topically active potent corticosteroid. Used as cream, ointment or gel (0.00625-0.025%) in severe, inflamed, corticosteroid-responsive skin disorders. Excessive application should be avoided. (Synalar).
fluocino”ide A potent locally effective anti-inflammatory steroid similar to fluocinolone, used as cream, ointment or lotion (0.05%). (Metosyn).
fluocortolone A locally acting corticosteroid used as cream or ointment (0.25%) in severe, inflamed skin conditions. (Ultralanum).
fluorouracil A cytotoxic agent used in the palliative treatment of carcinoma of the breast and gastrointestinal tract and other solid tumours.
Dose: 15 ingft orally or by i.v. infusion weekly, up to a total dose of 12-25 g. Side-effects include alopecia and dermatitis, but haeniatotoxicity, severe gastrointestinal disturbance and haemorrhage may limit treatment. Fluorouracil is used locally as a 5% cream (Efudix) in malignant skin lesions.
fluoxetine An antidepressant that acts by selectively inhibiting the uptake of serotonin. Given in single daily doses of 20 mg. Dose: 60 mg daily are given in bulimia nervosa. Side-effects are gastrointestinal disturbances, dizziness and anorexia; rash is an indication of withdrawal. It should not be used with other drugs that influence serotonin uptake. (Prozac). See page 128 and Table 11.
flupenthixol A tranquillizer similar to fluphenazine and used in the treatment of schizophrenia with apathy and withdrawal. It also has an antidepressant action.
Dose: 6-18 ing daily initially, with subsequent adjustment according to need. It may cause some restlessness and insomnia. Dose by deep i.m. injection, 20-40 mg every 2-4 weeks. Dose in depression: 500 pg 31ngdaily.The side-effects are similar to those of chlorpromazine. (Depixol; Fluanoxol). See page 168 and Table 30.
fluphenazine An antipsychotic drug with the actions and uses of chlorpromazine, but with reduced sedative and anticholinergic side-effects, although extra-pyramidal symptoms may be increased. Dose: 2- 10 mg initially in schizophrenia adjusted up to 20 ing daily. In severe anxiety states 1-4 mg. For depot treatment, 12.5-100 ntg of the decanoate by deep i.m. injection every 12-14 days according to response. (Modecate; Moditen). See page 168 and Table 30.
fluorescein An orange-red dye; solutions have a strong green fluorescence. Used as eye drops (1-2%) for detecting corneal lesions, as areas of cornea denuded of epithelium stain green.
fluorometholone A corticosteroid used as eye drops (0.10%) for inflammatory conditions of the eye. (FML).
flurandrenolone A potent locally acting corticosteroid used as a cream or ointment (0.0125%) in severe skin disorders not responding to other therapy. (Haelan). An adhesive tape is used for small resistant dermatoses.
flurazepam A benzodiazepine hypnotic for
the short-term treatment of insomnia.

flurbiprofen A non-steroid anti-inflammatory drug with the actions, uses and side-effects of naproxen. It is used in the relief of pain and inflammation in rheumatoid and arthritic conditions, and in other
nitisculoskeletal disorders.
Dose: 150 mg daily, after food, increased tip to 300 mg daily if necessary. Suppositories of 100 nig are available. Care is necessary in peptic ulcer and in aspirin-sensitive asthmatic patients. (Froben). See page 165 and’I'able 29.
flutamide An androgen blocking agent that inhibits the action of androgens on target organs. It is used in advanced prostatic cancer not responding to other drugs, usually in association with goserelin or related agents.
Dose: 750 mg daily. Side-effects include gynacconiastia, and liver function should be checked. (Drogenil). See page 122 and Table 8.
folic acid A constituent of the vitamin B group. It is essential for cell division and the growth and development of normal red blood cells. The main therapeutic use is in the treatment of megaloblastic anaemias due to folic acid deficiency. Dose: 5 ing daily for 4 months initially;
ing weekly may be adequate after the haematological response has been obtained. Sometimes given with anti-epileptic drugs, as long-term therapy may cause a folic acid deficiency. Small doses are present in many iron preparations to prevent the inegaloblastic anaemia that may occur in later stages of pregnancy. It must not be used alone in pernicious anaemia, as it cannot prevent the degeneration of the central nervous system associated with that disease.
folinic acid A methotrexate antidote. It is given ai the end of a course of methotrexate to reduce the toxic effects on normal cells and in methotrexate-overdose. Dose: up to 120 mg over 24 hours by i.m. injection (or i.v.), with 60 mg orally for another 48-72 hours.
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fluticasone A corticosteroid of increased potency. Used as a metered dose pump for the prophylaxis and treatment of seasonal allergic rhinitis and hay fever.
Dose: 100 pg (2 sprays) into each nostril mice a day in the morning. Maximum reliefmay not be obtained for 3-4 days. Systemic absorption extremely low. (Nixonaw.
fluvastatinV An inhibitor of the enzyme I I N46-CoA-reductase used in the treatment of hyperlipidaemia.
Dose: 20-40 ing daily in the evening. (Lescol). See page 146,’I'able 20 and atorvastatin, provastatin and ‘inivastatin.
fluvoxamine An antidepressant that acts by inhibiting the central re-uptake of serotonin. It is used mainly for maintenance treatment during depressive illness. Dose: 100-300 mg, daily in the evening; a steady plasma level is normally reached within 10-14 days. Side-effects after initial nausea may include somnolence, constipation and agitation. It should not be used with other drugs that increase scrotonin uptake, or with aminophylline or theophylline. (Faverin). See page 128 and Table 11.
follitropin A recombinant form of the follicle stimulating hormone used in some forms of infertility. It is given by injection in doses dependent on the degree of ovarian response. (Puregon).
formaldehyde A powerful but toxic germicide used mainly in the disinfection of rooms, and as’formalsaline’ (5% in normal saline) for the preservation of pathological specimens. Warts have been treated with a 3% solution.
formestane An inhibitor of aromatase, the enzyme that converts androgens to oestrogens. It is used in advanced postmenopausal breast cancer, as it has a cytotoxic action mediated by causing an oestrogen deficiency state.
Dose: 250 mg by deep intragluteal injection at intervals of 2 weeks, with variations of the injection site. Side-effect are rash, pruritus and occasional vaginal bleeding. Mentaron). See page 122 and Table 8.
foscarnet An antiviral agent for the treatment of sight-damaging cytomegalovirus retinitis in AIDS patients as an alternative to ganciclovir.
Dose: 60 mg/kg daily by i.v. infusion for 2-3 weeks, with subsequent infusion at a rate dependent on renal function. (Foscavir). See page 144 and,ribic ig.
fosfestrol A water-soluble derivative of stilboestrol. It is metabolized by the enzyme acid phosphatase to liberate stilboestrol in tissues rich in that enzyme, and so it is of value in prostatic carcinoma.
Dose: 1)), slow i.v. injection, 600-1200 rni, daily for 5 days or more. Oral maintenance dose: 120-360 nig daily. perinea) pain is a side-effect. (I lonvan). See page 122 and Table 8.
fosfomycin A phosphorus-containing antibiotic used mainly for infections of the lower urinary tract.
Dose: 3 g nightly after voiding the
bladder. Also used prophylactically before prostatectomy. Rash, nausea and diarrhoea are side-effects. (Monuril).
fosinopril An ACE inhibitor indicated in hypertension when standard therapy is ineffective or unsuitable.
Dose: 10 mg daily initially, adjusted after •1 weeks up to 40 nig according to need. It is eliminated by the liver as well as the kidneys, and may have some advantages in renal impairment. (Staril). See ACE inhibitors, page 148 and Table 21.
framycetin An antibiotic resembling neomycin in general properties. Used in eye infections as drops or ointment 0.5%. (Soframycin).
friar’s balsam Contains benzoin, storax, aloes, balsam of tolu. Official name Compound Tincture of Benzoin. See benzoin.
frusemide A loop diuretic with a powerful and intense action of short duration. Often effective in conditions no longer responding to thiazide diuretics.
Dose: 20-40 mg daily or on alternate days, or 20-50 mg i.ma or i.v. Much larger oral doses, varying front 250 nie, up to a single maximum dose of 2g may be required in renal failure and oliguria. Side-effects include nausea, diarrhoea and cramp. Masix). See page 141 and’Fable 18.
fusidic acid See sodium fusidate.
gabapentin An anticonvulsant used in the L11111101 of the partial seizures of epilepsy, although the mode of action is not yet clear. Dose: 300 mg initially, slowly increased to 1.2 g daily according to need. Drowsiness, tremor and weight gain are some side-effects. Withdrawal is with slowly reduced doses over 2-3 weeks. (Neurontin). See page 136 and Table I5.
gallamine A synthetic non-depolarizing (competitive) muscle relaxant.
Dose: 80-120 mg initially i.v. with small subsequent doses according to need and response. The action of the drug may be terminated by the injection of neostigmine, 2.5-5 mg, together with atropine, 0.5-1 mg. (Flaxedil). Now used less frequently as tachycardia is a side-effect.
gamolinic acid A derivative of linoleic acid present in evening primrose oil. It is said to be of value in atopic eczema.
Dose: 320-480 mg daily. It is also used in mastalgia (breast pain) in doses of
240-320 mg daily, but the response is slow (8-12 weeks). (Epogam; Ffarnast).
gammaglobulin See immunoglobulin.
ganciclovir An antiviral agent similar to aciclovir, but more toxic. It is used only in sight- and life- threatening infections with cytomegalovirus (CMV) in immunocompromised patients.
Dose: by i.v. infusion, 5 mg/kg every 12 hours for 14-21 days, with mainte nance (lose of 5 mg/kg daily. Later oral dose 3 g daily. The solution is very alkaline, and injection requires care. Regular blood counts are essential. (Cvnievene). See page 144 an(Frable 19.
G-CSF human urnan granulocyte colony stimulating factor. See filgrastim and lenograstim.
fusafungine An antibiotic with anti-inflammatory properties used for upper respiratory tract infections.
Dose: as aerosol spray 123 jig 5 boles  day. (Locabiotal).
Gee’s linctus A soothing cough linctus containing camphorated tincture of opium, oxymcl of squill and syrup of tolu.

clobazam A benzodiazepine tranquillizer with the actions and uses of diazepam, but with reduce(] sedative effects. It is used mainly in the short-term treatment of anxiety.
Dose: 20-30 mg as a single nightly dose. III severe anxiety larger but divided doses niav be given under medical control. It is also useful in the auxiliary treatment of epilepsy. (Frkiuni). See page [ 17 and'i'able.5.
clobetasol A potent corticosteroid used as a cream or ointment (0.05%) in the short-term treatment of severe inflammatory skin conditions not responding to less powerful drugs. The application should be used sparingly as absorption with systematic and local side-effects may occur with excessive or prolonged treatment. (Dermovate).
clobetasone A locally acting corticosteroid, used as a cream or ointment (0.05%) in eczema and inflammatory skin conditions not responding to less potent drugs. (Fumovate).
be withdrawn. Clofibrate may potentiate tile action of oral anticoagulants.
clomiphene An anti-oestrogen used to stimulate ovulation in some types of anovulatory sterility.
Dose: 50 mg daily for 5 days a month, repeated if ovulation does not occur, Its use has resulted in occasional multiple births. If pregnancy does not follow tip to 6 courses, further treatment is of little use. Side-effects are hot flushes, and abdominal discomfort; visual disturbances indicate that treatment should be withdrawn. Contraindicated in hepatic disease and ovarian neoplasm. (Cloinid; Scroplictic).
clomipramine A tricyclic antidepressant with the actions, uses and side-effects of inupramine and related drugs, but with reduced sedative properties.
Dose: 30-150 mg daily orally; up to
150 nog daily by im. injection. (Anafranil). See page 128 and Table 11.
clodronate sodium A bisphosphonate used like etidronate and pamidronate in the hypercalcaemia of malignancy.
Dose: 1.6-3.2 g daily as a single dose
I hour before or after food. May also be given i.v. by infusion as a single daily dose of 300 mg for 7-10 days. Long oral treatment is necessary, and serum calcium and phosphate levels should be checked. Side-effects are nausea and diarrhoea. (Hollefos; Loron).
clofazimine An antileprotic agent given in association with dapsone and rifampicin to prevent the incidence of resistance. Dose: 300 Ing monthly; in lepra reactions, 300 ing daily for 3 months. It may cause discoloration of the urine, skin and lesions. (Lunprcric).
clofibrate A plasma lipid-regulating agent used in hyperlipidaernia in conjunction with dietary measures, to reduce excessive plasma levels of cholesterol and
t riglycerides.
Dose: 2 g daily, with regular checks on plasma lipid levels. Side-effects are transient nausea and abdominal discomfort.
It increases the biliary excretion of cholesterol, and gall stones are a contraindication. A myosins-like reaction may occur in renal impairment, and the drug should
clonazepam A benzodiazepine with a marked anticonvulsant action of value in all types of epilepsy.
Dose: I mg daily initially, increased LIP to 8 nog daily according to need. fit status epilepticus, I mg by slow i.v. injection, but apnoea and hypotension, requiring prompt treatment, may occur. Side-effects include drowsiness, dizziness and irritability and occasionally, paradoxical aggression. (Rivotril). See page 136 and Table 15.
Clonidine A centrally acting antihypertensive pertensive agent, now used less frequently.
Dose: 150-300pg daily initially, increased it required up to 1.2 mg daily. Doses of 150-300 pg have been given by slow i.v. injection. Sudden withdrawal of the drug may provoke a I P
hy ertensive crisis.
(Catapres). Clonidine is also used in doses of 100 pg daily in the prophylaxis of migraine. (Dixarit). The side-effects include sedation, dry mouth, fluid retention and bradycardia. See pages 154 andTible 21.
clorazepate A benzodiazepine tranquillizer with the actions, uses and side-effects of diazepam. Used mainly in the short-term treatment of anxiety.
Dose: 7.5-22.5 mg daily, or it single dose of I  mg at night. (Tranxene). See page 117 and Table 5.

clotrimazole An antifungal agent used local]) in vaginal candidiasis.
Dose: 104-200 mg as vaginal tablets or pessaries for nightly insertion. Also used as a 1% cream, lotion or dusting powder for fungal infections of the skin and cars. Side-effecis are local irritation and erythema. (Canestall).
cloxacillin An acid-stable, semi-synthetic penicillin that is not broken down by the enzyme penicillinase, and so is effective in infections due to penicillin-resistant staphylococci.
Dose: 2 g daily before lbod. In severe infeL bons 250-500mg by injection 6-hourly. Now largely replaced by flucloxacillin. The side-coccus are those of the penicillins generally. (Orbenin).
antibacterial action, but when given with a penicillin the antibiotic is able to
penetrate into the cell without loss of
activity. The combination is of value in    33 infections due to penicillin-resistant penicillinase-producing bacteria, including most staphylococci.
Dose: as amoxycillin 750 mg daily, doubled in severe infections, or 3-4 g daily by slow i.v. injection. The side-effects, are similar to those of arnpicillin, but a posttreatment reaction is cholestatic jaundice. (Augmentin).
co-beneldopa tablets of levodopa and henzerazide. (Madopar). See levodopa.
cocaine A local anaesthetic. Still used occasionally in ophthalmology as a 2% solution, often with homatropine.
clozapine A potent but potentially toxic dopamine-receptor blocking agent used in schizophrenia resistant to other drugs.
Dose: 12.5-50 mg daily initially (with care -risk of hypotension), slowly increased to 300 mg daily according to need. A serious side-effect is neutropenia that may lead to agranulocytosis, and treatment must be
Linder hospital supervision with regular blood monitoring. Patient, doctor and hospital pharmacist must be registered with the Clozaril (clozapine) Patient
Monitoring Service to maintain the necessary strict control of treatment. (Clozaril).
coal tar Tile black viscous liquid obtained from the distillation ofcoal. It is used mainly as Zinc and Tar Paste in psoriasis and atophic eczema.
co-amilofruse tablets of the diuretics ainiloricle and frusemide. (Fruinil; Lasoride).
co-amilozide Tablets of the diuretics amiloride and hydrochlorothiazide. (Moduretic).
co-amoxicla A mixture of clavulinic acid and amoxycillin.The resistance to penicillin by staphylococci and other organisms is due to penicillinases such as beta-lactamase in the bacterial cell wall. Those enzymes inactivate penicillin before it call enter the cell and exert its antibacterial action. Such inactivation can be prevented by inhibitors of beta-lactamase such as clavidanic acid. That acid has no
co-careldopa Tablets of levodopa and carbidopa. (Sinemet). See levodopa.
co-codamol Tablets of codeine and paracetamol.
co-codaprin Tablets of codeine and aspirin.
co-darrthramer Tablets of danthron and poloxamer.
cod-liver oil A rich source of vitamins A and 1). It is used as a dietary supplement to improve general nutrition, promote calcification and prevent rickets.
Dose: 2-10 in[ daily.
codeine One of the alkaloids of opium. It depresses the cough centre and is used in the treatment of useless cough. It also reduces intestinal motility, and is useful in the symptomatic treatment of diarrhoea. It also has mild analgesic properties, and is present with aspirin in co-codaprin and similar preparations. In large doses the constipating action may be a disadvantage. Dose: 10 60 mg.
co-dergocrine A cerebral vasodilator, sometimes used in the treatment of senile dementia.
Dose: 1.5 mg daily, but the response is unreliable. Side-effects include nausea, rash and bradycardia. (Hydergine).
co-dydramol Tablets of dihydrocodeine and paracetamol.

cephamandole A cephalosporin more resistant to inactivation by penicillinases. It is of value in serious infections resistant to other antibiotics.
Dose: 2-12 g daily by i.m. or i.v. injection. : Kellidol). See page 248 and Table 34.
cephazolin A cephalosporin with the
general properties of the group.
Dose: 1-12 g daily by injection. (Kefzol). See page 248 and Table 34.
cephradine A cephalosporin active orally as well as by injection.
Dose: 1-2 g orally daily; in severe infeclions 2–8g daily by injection. (Velosef). See page 248 .
certoparin A low molecular weight form of heparin. Used in prophylaxis of venous thromboembolism.
Dose: 3000 units once a day by s.c. injection (1-2 hours before surgery) for 7-10 days. (Alphaparin). See enoxaparin.
cetirizine A slower-acting antihistamine with reduced sedative effects, as it does not pass the blood-brain barrier to any extent. The anti-cholinergic side-effects are also reduced.
Dose: 10 nigat night. (’Lirtels). See page 110 and Table 2.
cetrinnide A detergent with some antiseptic properties. It is used chiefly in association with chlorhexidine.
charcoal Activated charcoal is a powerful adsorbent, and is used in the treatment of overdose or poisoning by many toxic drugs by preventing further absorption. Dose: 50g orally. It is also used in the charcoal - haenioperfusion system to promote elimination from the circulation of sonic already absorbed poisons. Charcoal has also been used as impregnated dressings to deodorize foul smelling wounds and ulcers,
chenodeoxycholic acid A bile acid
derivative that has it solvent action on cholesterol-containing gallstones, and it is useful when surgical removal of the stones is contraindicated.
Dose: I g once daily, but prolonged treatment is necessary. Side-effects are diarrhoea and pruritus, and ursodcoxycholic acid, which has fewer side-effects, is often preferred. Chenodeoxycholic acid is not suitable for the dissolution of radio-opaque gallstones. (Chendol; Chenofalk).
chloral hydrate A water-soluble hypnotic with a rapid action that is useful in the treatment of insomnia in children and the elderly.
Dose:    g. It must be given well-diluted to reduce the gastric irritant side-effects, and is contraindicated in gastritis, and severe renal, hepatic and cardiac disease. (Notre). Chloral betaine (Well-dorm) is a less irritant alternative. See page 152 and Table 22.
chlorambucil An orally active cytotoxic drug used mainly in the treatment of lymphomas and chronic lymphocytic leukaemia.
Dose: 100-200 pgfkg daily for 4-8 weeks. It k sometimes used as an immunosuppressant in the treatment of rheumatoid arthritis in doses of 2.5-7.5 mg daily. Chloranibucil is generally well tolerated, [)of [)one marrow depression may occur, and haematological control during treatment is essential. (Leukeran). See page 122 and Table 8.
chloramphenicol A wide-range, orally active antibiotic but now used only in life-threatening infections where other drugs arc unsuitable.
Dose: 2g daily orally, but in severe infections, -So niglkg daily by i.v. injection. Care is necessary when giving chloramphenicolo infants as it may cause so-called ‘grey syndrome’. Side-effects include nausea, neuritis and aplastic anaemia. Chloromycetin is also used locally in skin, eye and ear infections. (Chloromycetin; Kcinicetine).
chlordiazepoxide A benzodiazepinc used mainly in [tic short-term treatment of anxiety and alcoholism.
Dose: 30 mg daily, increased in severe anxiety up to 100 mg daily, with half closes fix elderly patients. Withdrawal of treatment should be gradual to avoid rebound effects. Side-effects include dizziness, drowsiness and ataxia. Prolonged use carries the risk of dependence. (Librium).

chlorhexidine An antiseptic of high potency and a wide range of activity, although it is ineffective against spores and viruses. For preoperative skin preparation, a 0.5% solution in alcohol is often used; an aqueous solution (0.05%) is for general topical application. Chlorhexidine is also used as a  solution for bladder irrigation. A general purpose cream and an obstetric cream are also available. Solutions of chlorhexidine may become contaminated with Pseudomonas, and all aqueous solutions should he sterilized. (1-libitane).
irreversible retinal damage. Other side-effects are gastrointestinal disturbances, rash and prutiros. (Axioclor,). Swe page 16.3.
chlorothiazide The first of the thiazide diuretics, now largely replaced by bendrofluazide and similar drugs. Dose: 1 -2 g daily in oedematous states; 0.i-1 g daily in hypertension. Potassium supplements may be necessary with extended treatment. (Saltiric). See page 148 and Table 21.
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chlormethiazole A sedative with anticonvul’ant properties.
Dose: in severe insomnia in the elderly, 200-400nigorally; in alcohol withdrawal conditions, 400-800 mg initially, reduced and withdrawn over a 9-day period. It may also be given by i.v. infusion as a 0.8% solution. Chlonnethiazole has also been given by injection in status epilepticus and the toxaemia of pregnancy in doses according to need and response. Side-effects are sneezing, gastrointestinal disturbances and headache. (Heminevrit) See page 136 and Table Ii.
chloroform Once widely used as a general anaesthetic, but now obsolete. Used as chloroform -water in mixtures as a preservative and flavouring agent, and for its carminative effects.
chloroquine An antimalarial drug used for both prophylaxis and treatment of benign and malignant tertian malaria. It should be noted that chloroquine- resistant strains of Plasmodiunifialciparurn are becoming increasingly common, and a return to treatment with quinine may be necessary. Dose: adult prophylaxis, 300nig once a week; (Or treatment of an attack of malaria, oWnig initially followed by 300mg daily for 2-3 days. Seriously ill or vomiting patients should be given 2(XI-300 ing by Lin. or slow i.v. injection, repeated once ifncccssary L)cfi)rc oral treatment can be tolerated. Other dosage schemes are also in use, and for details reference should be made to standard works on the treatment of malaria. It has also been used in hepatic anioebiasis, but nietronidazole is now often preferred. Chloroquinc also has an action in rheumatoid inflammatory conditions similar to that of penicillamine, dose: 150 mg daily after food. Such use requires care, as extended therapy is necessary, and the drug may cause corneal opacity and
chloroxylenol A general purpose antiseptic present in some popular products. Of no value against Pseudornonas. aeruginosa or Proteus.
chlorpheniramine An antihistamine with the action, uses and side-effects of the group, including drowsiness.
Dose: 16-24 mg daily: 10-20 mg by Lin. or .c. injection as required. (Piriton). See page 110 and Table 2.
chlorpromazine A powerful tranquillizer or antipsycholic agent with a wide range of activity on the central nervous system. It is widely used in the treatment of schizophrenia and other psychoses, in agitation and tension, and the management of refractory patients. It is also effective as an antienietic in terminal illness; in the short-term treatment of severe anxiety; and for the control of intractable hiccup.
Dose: initially 75 mg orally daily, slowly increased as required. In psychotic states, Lip to I g daily. Single doses of 25-50 mg may be given by deep imi. injection in acute conditions. Suppositories of 100 mg are also available. Side-effects include extrapyramidal and anticholinergic symptoms, drowsiness, hypotension, weight gain, rash, jaundice and haemolytic anaemia. prolonged use may cause pigmentation of the skin and eyes. Care is necessary in hepatic and renal dysfunction. Skin sensitization may occur after Contact With solutions of chlorpromazine. Margactil). See page 168 and’I'able 30.
chlorpropamide A long-acting hypoglycaemic agent of the sulphonylurea type. It is effective only if some insulin-secreting cells are still functional. It is used mainly in mild diabetes mellitus occurring in middle-aged patients not responding to dietary control. Its long action makes it unsuitable for elderly diabetics.