The generic name of Baycyntom is Nifedipine Controlled-Release Tablets, which are mainly used for the treatment of high blood pressure and angina pectoris. Nifedipine controlled release tablets should not be broken and taken. This product has a special structure to control the release of the drug, if broken it will affect the therapeutic effect of the drug. Nifedipine controlled-release tablets have a skeleton controlled-release structure, which can release the drug slowly in the body and maintain the blood concentration in the body in a stable range to ensure the efficacy of the drug. The drug is a calcium channel blocker and lowers blood pressure by dilating blood vessels. It is mainly used in the treatment of angina pectoris and hypertension. The main adverse effects of this product include peripheral edema, dizziness, postural hypotension, palpitations (rapid heartbeat, often accompanied by panic), and anemia. It is contraindicated in persons allergic to nifedipine, cardiogenic shock, and in pregnant and lactating women. The product is a skeletal controlled-release tablet and should be swallowed whole. Patients should strictly follow the doctor’s instructions, and should seek immediate medical attention if they feel unwell during the course of taking the drug.