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Drug Class Description
Non-cardioselective b-blockers (beta-blockers).Generic Name
Timolol maleate - migraineDrug Description
White scored tablets with 102 and lion.Presentation
Tablets, timolol maleate 10 mg .Indications
Prophylaxis of common and classic migraine.
Adult Dosage
10 - 20 mg daily in one or two divided doses.Child Dosage
Not recommended. Not recommended.Contra Indications
2nd or 3rd degree AV block, sinus bradycardia, sick sinus syndrome, severe peripheral arterial disease, uncompensated cardiac failure, cardiogenic shock, hypotension, right ventricular failure secondary to pulmonary hypertension, significant cardiomegaly, untreated phaeochromocytoma. Non- cardioselective beta-blockers are also generally contraindicated in patients with obstructive airways disease or a history of bronchospasm.
Special Precautions
Poor cardiac reserve should be controlled with digitalis and diuretics. Diabetes; metabolic acidosis. Asthenic symptoms. Cerebrovascular insufficiency. Renal or hepatic impairment, thyrotoxic crisis. General anaesthesia; consider withdrawal before elective surgery. Pregnancy, lactation. Withdraw gradually.
Interactions
Clonidine withdrawal, verapamil, diltiazem, class II calcium antagonists, class I antiarrhythmics, cardiac depressant anaesthetics, hypoglycaemics, reserpine, other antihypertensives, ergot alkaloids, cimetidine, rifampicin, theophylline, warfarin, CNS depressants, sympathominetics, indometacin (indomethacin).
Adverse Reactions
Cold extremities, sleep disturbances (particularly with the more lipophilic drugs), bradycardia, exertional tiredness, bronchospasm, heart failure, hypotension, GI upset. If unexplained dry eyes or skin rash occur withdraw gradually.
Manufacturer
LeoDrug Availability
(POM)Updated
25 June 2009