口服头孢菌素的发展是近30年的事,口服头孢菌素药物主要是用于较轻或中度感染,口服头孢菌素初期发展较慢,到1981年世界一年就有3个新品种首次上市,其中2个是第三代口服头孢菌素,此后不断开发出抗菌谱广、活性更强的优秀品种。已上市的口服头孢菌素主要品种如下:1 第一、二代口服头孢菌素有:cefalexin,(头孢氨 Oral cephalosporin development is nearly 30 years, oral cephalosporin drugs are mainly used for mild or moderate infection, oral cephalosporins initial development is slow, the world in 1981 there are three new varieties First listed, of which two are the third generation of oral cephalosporins, since then continue to develop a broad antimicrobial spectrum, more active superior varieties. The main oral cephalosporins have been listed as follows: 1 The first and second generation of oral cephalosporins are: cefalexin, (cephalosporin