The generic name of Betalock is Metoprolol, in the treatment of angina pectoris, arrhythmia, heart failure and other diseases, it can be taken three times a day, the specific use of medication need to follow the doctor’s instructions. Metoprolol’s main role is to inhibit beta receptors, can be used for coronary heart disease, hypertension and other diseases of the treatment, can reduce the heart rate to reduce myocardial oxygen consumption, so as to achieve the purpose of protecting the heart, each time to take the dose should follow the doctor’s instructions, for a single day to take once or twice the drug is not effective patients, you can gradually increase the frequency. When used in the treatment of angina pectoris, arrhythmia, heart failure and other diseases, it can be increased to three times a day. However, when used for other conditions, it should not be taken three times a day. Adverse reactions such as fatigue and dizziness may occur with the use of this medication. Patients with cardiogenic shock and allergy to this product should not use this medicine. Monitor your blood pressure and heart rate while taking Metoprolol and report any adverse reactions to your doctor. This drug should be taken under the supervision of a doctor and avoid self-adjustment of dosage and usage.