The generic name of Betalucil is Metoprolol Tartrate Extended-Release Tablets, this product needs long-term medication, usually about 3 months of medication, when the condition is stabilized can be assessed whether to stop the drug. Metoprolol tartrate extended-release tablets belong to the β1 receptor blocker, clinically used in the treatment of hypertension and angina pectoris, but also with cardiac glycosides and diuretics combined for heart failure. This product requires long-term adherence to medication, the specific course of treatment varies depending on the patient’s condition. Generally, the condition is evaluated after 3 months of administration, and discontinuation of the drug can be considered if the condition is stabilized. Adverse effects of this product include heart rate block, slowed heart rate, decreased blood pressure, nausea, abdominal pain, and headache. It is contraindicated for those who are allergic to the product, significant bradycardia, cardiogenic shock, severe or acute heart failure. Please adhere to the medication according to the doctor’s instructions, and do not stop the medication on your own, so as not to cause recurrence or aggravation of the condition.