Common side effects of Metoprolol Succinate Tablets include fatigue, dizziness, headache, coldness in the extremities, and chest pain. The active ingredient of Metoprolol Succinate Tablets is Metoprolol, a selective beta-blocker, which can reduce heart rate, blood pressure, and cardiac output through the inhibition of cardiac beta receptors, and is currently used in the treatment of hypertension, myocardial infarction, arrhythmia, and other diseases. Common side effects of Metoprolol Succinate Tablets include fatigue, dizziness, headache, coldness in the extremities, diarrhea, chest pain, and weight gain. Before use, it is necessary to exclude drug contraindications such as allergy to drug components, cardiogenic shock, sick sinus node syndrome, etc. The drug treatment is prohibited for women during pregnancy and breastfeeding. Metoprolol succinate tablets for prescription drugs, need to be used under the guidance of a physician, it is recommended that patients need to take the drug to the regular hospital cardiology department and other related departments for consultation, do not take the drug on their own.