Seloken ZOK, Toprol-XL, Betaloc ZOK , , (metoprolol succinate)
Seloken ZOK / Toprol-XL (metoprolol succinate) is a cardioselective beta-blocker for hypertension, angina pectoris, heart failure, disturbances of cardiac rhythm including especially supraventricular tachycardia, maintenance treatment after myocardial infarction and functional heart disorders with palpitations and for migraine prophylaxis.