Pharmacology General 41a09f11 Which of the following does not cause bradycardia A Propranolol B Hydralazine C Clonidine D Reserpine High-Yield Explanation Ans. is 'b' i.e., Hydralazine o Hydralazine causes reflex tachycardia. o Propranolol, clonidine and reserpine are sympatholytic drugs cause bradycardia.