Management of angina pectoris, control of essential and renal hypertension, control of essential tremor, control of most forms of cardiac dysrhythmias, adjunct in the management of tachycardias and arrhythmias due to thyrotoxicosis and thyrotoxic crises, management of hypertrophic obstructive cardiomyopathy, management of pheochromocytoma (with an alpha blocker).Prolol is also indicated for the long term prophylaxis after recovery from acute myocardial infarction (treatment to be initiated by a hospital physician), migraine prophylaxis.