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这种类型的联合用药在医院较为常见,甚至于视为常规,其实大部分是不合理的。青霉素是繁殖期杀菌剂而四环素族抗生素为快速抑菌剂,两者表现为拮抗。服用四环素后使细菌蛋白质的合成迅速被抑制,致胞浆体不增大,胞壁的合成和自溶现象也不发生,细菌处于静止状态。青霉素对静止期的细菌作用弱,因而当两药合用时限制和减弱了青
This type of combination therapy is more common in hospitals, and even considered as a routine, in fact, most of them are unreasonable. Penicillin is a breeding season bactericide and tetracycline antibiotics are fast bacteriostats, both of which are antagonistic. After taking tetracycline bacterial protein synthesis was rapidly inhibited, causing no increase in the cytoplasm, cell wall synthesis and autolysis phenomenon does not occur, the bacteria in a quiescent state. Penicillin weak effect on quiescent bacteria, so when the two drugs combined limit and weakened the green