近年来抗菌素的予防性应用远较治疗用药消耗量要多,有些医务工作者对抗菌素予防效果常寄以过高期望,对于昏迷、休克、大小手术后,几无例外地采用青霉素和链霉素注射,有时还加注四环素或氯霉素。事实上,这种联合用药对耐性金萄菌、绿脓杆菌,变形杆菌和大肠杆菌等引 In recent years, the preventive application of antibiotics is far more than the consumption of therapeutic drugs to be more, some medical workers to prevent the effect of antimicrobial often send too high expectations, for coma, shock, the size of the surgery, with few exceptions penicillin and streptomycin Injection, and sometimes tetracycline or chloramphenicol. In fact, this combination of drug resistance Staphylococcus aureus, Pseudomonas aeruginosa, Proteus and Escherichia coli