The generic name of Betalucil is metoprolol, and it is not recommended to take metoprolol for low blood pressure and fast heart rate. Metoprolol is a beta-blocker, which has the effect of lowering blood pressure and slowing down the heart rate. It is not recommended to take metoprolol for patients with low blood pressure and fast heart rate, although it can control the heart rate, but it may lead to a further decrease in the blood pressure level, and severe hypotension may occur. Patients with low blood pressure and fast heart rate should pay attention to find the cause, some patients may have insufficient blood volume, to supplement blood volume in time, patients with hemorrhagic shock can be treated with blood transfusion. Metoprolol is a western prescription drug, can be used for hypertension, coronary artery disease, tachyarrhythmia treatment, the drug’s adverse reactions are hypotension, dizziness, cold skin, bradycardia, dizziness, gastrointestinal discomfort, etc., allergic to the drug components, severe hypotension, cardiogenic shock, serious bradycardia, second-degree, third-degree atrioventricular block, bronchial asthma, patients are prohibited. Patients with low blood pressure and fast heart rate should go to the hospital in time to clarify the specific cause of the disease and give medication under the guidance of the physician.