The generic name of Bayxin Tong is Nifedipine Controlled-Release Tablets, which belongs to the class of dihydropyridine calcium channel antagonists, and can be used in combination with Benadryl and hydrochlorothiazide to treat high blood pressure. Nifedipine controlled-release tablets are dihydropyridine calcium channel antagonists, which can dilate coronary arteries and reduce peripheral vascular resistance, and can be used to treat hypertension and chronic stable angina pectoris. In the treatment of hypertension, nifedipine controlled-release tablets can be used in combination with angiotensin receptor antagonists (ARBs) such as irbesartan, diuretics such as hydrochlorothiazide, and angiotensin II-converting enzyme inhibitors such as Benadryl, etc., to enhance the effect of lowering blood pressure. Nifedipine controlled-release tablets are contraindicated in patients with cardiogenic shock, pregnant women within 20 weeks of pregnancy and lactating women, and should not be used in combination with liver enzyme inducers such as rifampicin. The use may cause edema, headache, constipation, panic, hypotension and other adverse reactions. Nifedipine controlled-release tablets can also be used in combination with other drugs, the specific program should be based on the specific conditions under the guidance of the doctor, can not be adjusted arbitrarily medication program to avoid adverse reactions. If there is any discomfort, consult a doctor promptly.