抗菌素在治疗细菌感染上取得了突出的成绩,临床应用日益广泛。但是抗菌素的应用也有两重性,有有效的一面,也有副作用的一面,用之不当或滥用可能带来危害,甚至造成死亡。常用的抗菌素,没有一种是绝对安全的。因此,严格掌握适应证,合理应用,防止并发症,是十分重要的。临床应用中的问题很多,现只讨论下列几个问题: Antibiotics have made outstanding achievements in the treatment of bacterial infections and have been widely used in clinical practice. However, the application of antibiotics is also bi-sexual. On the effective side and side-effect side, improper use or abuse may cause harm and even cause death. None of the commonly used antibiotics is absolutely safe. Therefore, it is very important to strictly control indications, apply them rationally and prevent complications. There are a lot of problems in clinical application, now only discuss the following questions: