65 years old taking amlodipine phenylxanthate tablets 1 tablet early high pressure 158mmhg low pressure 77mmhg, you can change the drug or combination of drugs. Clinically normal adult blood pressure value is 120/90mmhg, if the average value of blood pressure measured on 3 non-same days ≥ 140/90mmhg is diagnosed as hypertension. Patients over 60 years of age with hypertension need to control their blood pressure to 150/90mmhg or less after taking medication. For those who can tolerate it, the blood pressure should be controlled within 140/90mmhg. Therefore, after taking amlodipine benzenesulfonate tablets to reduce blood pressure treatment, blood pressure 158/77mmhg can be replaced with other drugs or a combination of drugs. For example, hydrochlorothiazide, enalapril, metoprolol and so on. After taking them, they can reduce the extracellular volume, lower the peripheral vascular resistance, and control the blood pressure in the ideal range. Usually amlodipine benzenesulfonate tablets may cause edema, dizziness, palpitations, nausea and other discomforts after taking them. It is contraindicated for those who are allergic to the components of the drug. At the same time, in the process of taking the drug, it is necessary to pay attention to low blood pressure, aggravation of angina pectoris, impaired liver function. Pregnant and lactating women should use the drug under medical supervision. If the above conditions occur, it is recommended to consult a cardiovascular physician in time and adjust the medication after a comprehensive assessment of the condition by the doctor.