It is not recommended to suspend the use of Betaloc (metoprolol tartrate) after stenting. Metoprolol tartrate, commonly used in the treatment of coronary artery disease and hypertension, can stabilize the heart rate, reduce blood pressure, prevent ventricular remodeling, and improve the prognosis of stenting, but the suspension of the drug may lead to arrhythmia, and you can reduce the dosage under the guidance of the doctor, according to the condition. Metoprolol tartrate is commonly used in the treatment of hypertension, angina pectoris, arrhythmia, etc. Common adverse reactions include fatigue, headache, dizziness, bradycardia, abdominal pain and so on. If discomfort occurs during use, the drug should be stopped immediately, cardiogenic shock, heart failure patients are prohibited from use, pregnant women and lactating women should not use. After stenting is not recommended to suspend the use of metoprolol tartrate, if you have to suspend, should be discontinued under the guidance of a doctor.