Nifty is the trade name, generic name of nifedipine extended-release tablets, nifedipine extended-release tablets of the efficacy of the drug will not be affected by the food, before and after meals can be, need to be taken twice a day. Nifedipine extended-release tablets belong to the calcium antagonist, is the main application of the treatment of hypertension, and at the same time can dilate the coronary arteries, used in the treatment of patients with angina pectoris. The absorption of nifedipine extended-release tablets will be affected by food, but will not affect the effect of the drug, so the time of taking the drug will not be affected by food, it is recommended to take the drug orally in the morning and evening every day, according to the half-life of the drug needs to be taken twice a day, and the interval between the two doses can not be less than 4 hours. Nifedipine extended-release tablets belong to the western prescription drugs, the adverse effects of the drug have tachycardia, facial flushing, lower limb edema, gingival hyperplasia, etc. Allergic to the components of the drug, severe aortic stenosis, patients taking rifampicin are prohibited. It is recommended to use the drug reasonably under the guidance of a doctor.