Betalock generic name is metoprolol tartrate, 47.5 mg of metoprolol tartrate in the morning, diastolic blood pressure of 105 mmHg before taking the drug, diastolic blood pressure of 126 mmHg at 3:30 p.m. You can increase the dosage or frequency of the drug under the supervision of a doctor, as well as the use of a combination with other blood pressure-lowering drugs. Specific medication should follow the doctor’s instructions. Metoprolol tartrate belongs to the beta receptor antagonist, which is mainly used in the treatment of hypertension, angina pectoris, myocardial infarction and other diseases. If the diastolic blood pressure is 105mmHg before taking metoprolol tartrate in the morning and 126mmHg at 3:30pm, it may be caused by the drug having exceeded its half-life, i.e., the interval time is >5 hours, resulting in the drug being metabolized out of the body. Therefore, it is necessary to adjust the medication under the guidance of the doctor in conjunction with the condition, such as increasing the dosage or the number of times the drug is taken, as well as combining with antihypertensive drugs such as valsartan, enalapril, hydrochlorothiazide, amlodipine, nifedipine and other antihypertensive medications for antihypertensive treatment, and at the same time, regular monitoring of blood pressure is required. Usually the drug may cause headache, dizziness, bradycardia, abdominal pain, nausea and other discomforts after use; it is contraindicated for those with decompensated cardiac insufficiency, those with cardiogenic shock, and those with sick sinus node syndrome. In the process of medication need to pay attention to monitoring renal function, liver function, etc., for pregnant women, lactating women and other special groups, need to be under the guidance of a doctor to use the drug. It is recommended to go to the hospital in time to avoid delaying the best time for treatment.