Nifedipine extended-release tablets cannot be crushed and eaten. Nifedipine extended-release tablets, belonging to calcium ion antagonist drugs, are clinically used for the treatment of chronic stable angina pectoris, vasospastic angina pectoris and essential hypertension. If crushed and taken, the internal molecular structure of the drug will be destroyed, weakening the efficacy of the drug, so it can not be crushed and eaten. If you need to reduce the dosage, you can take half of the tablet with complete separation along the center line of the tablet. Nifedipine extended-release tablets are prohibited for those who are allergic to the product, severe aortic stenosis, recent myocardial infarction, pregnant women, lactating women, and patients who are taking rifampicin. After taking the drug, patients may experience headache, skin redness with heat sensation, redness and swelling of upper and lower extremities, pain, nausea, abdominal distension, breast swelling and other adverse reactions, which usually disappear on their own after stopping the drug. Nifedipine extended-release tablets can not be crushed to take, it is recommended that patients take strictly follow the doctor’s instructions, to avoid the adverse consequences of non-standardized use of drugs.