Metoprolol succinate extended-release tablets are generally not to be consumed with alcohol, which may reduce the therapeutic effect of the drug. Metoprolol succinate extended-release tablets is a beta-blocker, used for the treatment of hypertension, angina pectoris, and accompanied by abnormal left ventricular systolic function of the symptomatic stability of chronic heart failure, blindly drink alcohol during the use of medication, alcohol content and drug components react with the drug components are not conducive to the play of the efficacy of the drug, it will reduce the therapeutic efficacy of the drug. Patients are hypertensive problems to take metoprolol succinate extended-release tablets, hypertensive patients drinking alcohol may cause vasodilatation, early there may be a rise in blood pressure, rapid heartbeat and other uncomfortable symptoms, drinking alcohol is not conducive to the control of blood pressure. There are cardiogenic shock, sick sinus node syndrome, II, III degree atrioventricular block, unstable, decompensated heart failure patients, symptomatic bradycardia or hypotension, such people are prohibited to use metoprolol succinate extended-release tablets. Metoprolol succinate extended-release tablets may cause adverse reactions such as thrombocytopenia, depression, nightmares, sleep disturbances, dizziness, headache, sensory abnormalities, conjunctivitis-like symptoms, coldness in the extremities, bradycardia, and palpitations. It is recommended to use Metoprolol Succinate Extended-Release Tablets under the supervision of a doctor and not blindly on your own.