自青霉素临床应用成功以后,近二十余年來新的抗菌素不断被发現、合成,但其中大多由于毒性大,不适于內用。临床常用的只有十多种。抗菌素在治疗传染或传染病方面具有卓越疗效,然而近年来也出現了一系列新的問题,例如;过敏性反应、毒性反应、耐药性問題、对机体正常菌丛及机体免疫性的影响等。我們可以理解无論那一种抗菌药物不可能只单独作 Since the successful clinical application of penicillin, new antibiotics have been continuously found and synthesized in the past twenty years, but most of them are not suitable for internal use due to their great toxicity. Clinical commonly used only a dozen. Antibiotics have shown excellent results in the treatment of infectious or infectious diseases, however, a series of new problems have emerged in recent years, such as allergic reactions, toxic reactions, drug resistance problems, effects on normal bacterial flora and immunity of the body, etc. . We can understand that no matter what kind of antimicrobial drugs can only be made alone