The generic name of Baxin Tong Controlled-Release Tablets is Nifedipine Controlled-Release Tablets, which can be taken once a day, and should not be increased unless specifically prescribed by a doctor. Nifedipine controlled-release tablets belong to long-acting antihypertensive drugs, usually once a day can maintain a relatively stable blood concentration within 24 hours, do not need to use the drug again. Therefore, unless the doctor’s special instructions, the need for twice a day, otherwise it is not recommended to take a tablet in the morning and evening, to avoid overdose of the drug caused by a drop in blood pressure, cardiac arrhythmia, impaired consciousness and other toxic reactions. Nifedipine controlled-release tablets can be used to treat high blood pressure, chronic stable angina pectoris, after the use of the drug may have headache, edema, nausea, dyspepsia, constipation and other adverse reactions. The drug is contraindicated in people who are allergic to the drug, patients with cardiogenic shock, patients with ileostomy, women within 20 weeks of pregnancy and breastfeeding. It is recommended to take the drug in strict accordance with the dosage prescribed by the doctor, do not increase the dosage on your own to avoid harm to the body.