Propranolol can be used in all of the following conditions except: (A) Thyrotoxicosis, (B) Variant angina, (C) Migraine, (D) Hypertension
Answer is B. Ans. (B) Variant angina(Ref: KDT 8th/e p161)Propranolol worsens variant angina, due to unopposed a receptor mediated coronary constriction.For indications of b -blockers, refer to text.