头孢类抗生素(Cephalosprins)是目前临床应用较广、疗效较好的一类新型抗生素。药用剂型主要为注射用粉针剂;使用时须在无菌操作下,以适当的溶剂先行溶解,再按需要稀释成各种给药浓度:可用于静脉或肌肉给药。山于药物分子本身的性质,以及具体制剂的理、化特点,使用过程中必须 Cephalosporins (Cephalosprins) is currently a wide range of clinical applications, better efficacy of a new class of antibiotics. Medicinal formulations mainly for injection powder; use must be aseptically operated, dissolved with a suitable solvent first, and then diluted into various concentrations as required: can be used for intravenous or intramuscular administration. Hill in the nature of the drug molecule itself, as well as the specific preparation of physical and chemical characteristics, the use of the process must