Generic Medicine Info
2nd and 3rd degree AV block; sinus bradycardia; uncontrolled heart failure; asthma or bronchospasm, severe peripheral arterial disease, metabolic acidosis, phaeochromocytoma. Concomitant use w/ clonidine.
Special Precautions
1st degree AV block. May mask symptoms of hyperthyroidism and hypoglycaemia. May unmask myasthenia gravis. May aggravate psoriasis. Abrupt withdrawal may cause angina, MI, ventricular arrhythmias and death. Patients on long-term treatment should discontinue medication gradually over 1-2 wk. Pregnancy and lactation.
Adverse Reactions
Bradycardia; heart failure, heart block; hypotension; bronchospasm; fatigue; coldness of extremities; pneumonitis; pulmonary and retroperitoneal fibrosis; pleurisy; CNS effects; myopathies; GI disturbances; reversible alopoecia; skin rash; pruritus; lupus-like syndrome; male impotence; sclerosing peritonitis; muscle cramps; paraesthesias; peripheral neuropathy; haematological reactions. Changes in blood concentrations of glucose, triglycerides and cholesterol.
Drug Interactions
Concomitant use w/ other drugs that cause hypotension; NSAIDs; other cardiac depressants; sotalol; digoxin; insulin and oral hypoglycaemics; sympathomimetics; ACE inhibitors; Ca-channel blockers, verapamil. Anaesthetics causing myocardial depression (e.g. ether, cyclopropane, trichloroethylene).
CIMS Class
ATC Classification
C07AA01 - alprenolol ; Belongs to the class of non-selective beta-blocking agents. Used in the treatment of cardiovascular diseases.
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