临床上常用的抗生素有青霉素、链霉素、金霉素、地霉素和氯霉素(或合霉素)五种,四圜素和红霉素在我国尚未普遍采用,多粘菌素、桿菌肽和新霉素因毒性较强,不太适合于用注射法给予,应用亦不广泛,故有关此等抗生素的临床应用都将从略。应用任何抗生素都须有严格的适应证,抗生素不是退热剂,更不是万灵药,应用后可能会招致严重的后果,如发生毒性和过敏性反应、细菌产生抗药性、发生二重感染等。抗生素的浪费现象在我们国家里是相当严重的,某些医务人员遇有发热的病人,不作诊断就贸然地采用了抗生素;或虽明知系滤过性病毒所致的感染如 Commonly used antibiotics in clinical penicillin, streptomycin, chlortetracycline, gemcitin and chloramphenicol (or clindamycin) five kinds of tetracycline and erythromycin in our country has not yet been widely used, polymyxin, Bacitracin and neomycin due to the toxicity of strong, not suitable for injection by injection, the application is not widespread, so the clinical application of these antibiotics will be omitted. Application of any antibiotic must have strict indications, antibiotics are not antipyretics, but not the panacea, the application may lead to serious consequences, such as the occurrence of toxic and allergic reactions, bacterial resistance, the occurrence of double infections . The phenomenon of antibiotic waste is quite serious in our country. Some medical workers encounter feverish patients without a diagnosis and use the antibiotics rashly. However, although it is known that the virus is caused by the virus,