Propranolol-induced depression.

Propranolol-induced Depression SIR,-Therapeutic indications for the beta- receptor adrenergic blocking agent propranolol, of which we have experience, include angina, cardiac arrythmias, and hypertension' ; and there are reports of its value in phaeochromocytoma not amenable to surgery,' hypertrophic obstructive cardio- myopathy,3 even Parkinsonian tremor,4 anxiety,' the sympathetic side-effects of thyrotoxicosis, and cyanotic attacks in Fallot's tetralogy.' It is likely, therefore, that