氯霉素为临床上常用之抗菌素,对很多致病微生物都有效,包括革兰氏阳性及阴性细菌,立克次氏体属及一些病毒。治疔浓度为5—25微克/毫升。氯霉素对敏感微生物是抑菌作用,在高浓度情况下亦可出现杀菌作用。氯霉素毒性作用,主要表现为骨髓受抑制,及相似休克之综合征,后者多见于新生婴儿及早产婴儿。其他毒性症状如呕吐、腹泄、口腔炎,极少数病例可出现过敏反应如血管神 Chloramphenicol is an antibiotic commonly used clinically and is effective against many pathogenic microorganisms, including Gram-positive and -negative bacteria, Rickettsia and some viruses. Governance 疔 concentration of 5-25 micrograms / milliliter. Chloramphenicol is bacteriostatic against sensitive microorganisms and bactericidal may also occur at high concentrations. Chloramphenicol toxic effects, mainly manifested as bone marrow suppression, and similar shock syndrome, the latter more common in newborn babies and premature babies. Other toxic symptoms such as vomiting, diarrhea, stomatitis, very few cases of allergic reactions such as vascular God