Taking Metoprolol Succinate Extended-Release Tablets with slow heart rate, you should consult a doctor in time to adjust the dosage or change the dosage regimen after the doctor’s comprehensive assessment of the condition. Metoprolol succinate extended-release tablets belong to the beta receptor antagonist, after taking can inhibit myocardial contractility and slow down the heart rate, so as to play a role in lowering blood pressure. It is mainly used to treat hypertension, angina pectoris, chronic heart failure and other diseases. Usually the drug may cause bradycardia, arrhythmia, abdominal pain, nausea and other discomforts after taking it. When after taking the drug leads to slow heart rate and symptoms of sinus bradycardia, you should consult a doctor in time, adjust the dose of the drug after the doctor combined with the condition, or replace the drug with another one for treatment. Note that the drug is contraindicated in people who are allergic to the components of the drug, people with cardiogenic shock, people with low blood pressure. Liver and kidney functions should be monitored while taking the drug. And it should be used with caution for those who drive cars and operate machinery. Pregnant and lactating women, children, elderly patients should use the drug under medical supervision. If the symptoms of slow heart rate occur when taking Metoprolol succinate, it is recommended to go to the hospital in time for treatment.