The generic name of Betalucil is Metoprolol Tartrate Tablets, which is used for the treatment of hypertension, angina pectoris and other diseases, according to the recommended dosage of the instruction manual can be used 3 times a day, but the specific dosage is recommended to follow the doctor’s advice. Metoprolol tartrate is a beta-blocker, which slows down the heart rate, inhibits myocardial contraction, reduces autoregulation and delays atrioventricular conduction time by blocking beta receptors. It also dilates the smooth muscle of blood vessels, causing a drop in blood pressure. Adverse effects such as fatigue, headache, and dizziness may occur after use of the drug. The safety of the drug in children is not known. It should be contraindicated in pregnant and lactating women, and should be used with caution in patients who are athletes, drivers and operators of machinery. This drug should not be used in combination with verapamil, propafenone and other drugs. It is forbidden to use the drug in patients who are allergic to it, in patients with cardiogenic shock. The specific dosage and usage of the above medicines should follow the doctor’s instructions and should not be used on its own to avoid adverse reactions.