硝苯吡啶为钙拮抗剂,有扩张冠状血管和宋稍血管的作用。现已作为治疗和预防心绞痛及抗高血压药。目前有片剂、胶囊剂和喷雾剂三种类型,后两类剂型一般作为急救用,前种剂型的血药浓度的半衰期也较短。临睡前服药较难达到预防心绞痛和治疗高血压的目的 Nifedipine is a calcium antagonist, expansion of coronary vessels and Song slightly vascular effect. Now as a treatment and prevention of angina and antihypertensive drugs. There are currently three types of tablets, capsules and sprays, the latter two types of dosage forms are generally used as first aid, and the half-life of the former dosage form is also short. Before going to bed medication is more difficult to achieve the purpose of prevention of angina and treatment of high blood pressure