47.5 Betalucil refers to 47.5mg/tablet specifications of Betalucil, its generic name is Metoprolol Succinate Extended-Release Tablets, belongs to the prescription drugs, whether you can take two tablets at a time, the patient should consult with a doctor, the specific dosage needs to be decided by the doctor according to the severity of the patient’s condition and physical condition, the patient can not arbitrarily change the dosage of the drug, or the use of medication is unreasonable will lead to adverse consequences. Metoprolol succinate extended-release tablets are used for the treatment of hypertension, angina pectoris, and symptomatic stable chronic heart failure accompanied by abnormal left ventricular systolic function. Adverse effects of this product are commonly fatigue, headache, dizziness, chills in the extremities, bradycardia, palpitations, shortness of breath on exercise, abdominal pain, nausea, vomiting, diarrhea, and constipation. Contraindications to metoprolol succinate extended-release tablets include cardiogenic shock, sick sinus node syndrome, atrioventricular block of degree II or III, severe peripheral vascular disease with risk of gangrene, and hypersensitivity to the components of the product. It should be used with caution during pregnancy and lactation. Therefore, patients should use the drug in strict accordance with the instructions of the doctor, and should not change the dosage arbitrarily and cause adverse consequences.