甲硝唑为抗滴虫药,并具有广谱抗厌氧菌作用,是世界卫生组织推荐的抗厌氧菌首选药物。在临床上常用于厌氧菌引起的产后盆腔感染、败血症、骨髓炎等。据文献报道厌氧菌败血症已占一般败血症的8—10％。甲硝唑抗厌氧菌,但它并不杀灭需氧菌,对兼性厌氧菌效果差,所以在防治混合感染时常常联合用药。头孢拉定为半合成头孢菌素类广谱抗生素,因 Metronidazole is an anti-trichomonad, and has a broad-spectrum anti-anaerobic effect, which is recommended by the World Health Organization as the preferred anti-anaerobic drug. Clinically used in anaerobic bacteria caused by postpartum pelvic infection, sepsis, osteomyelitis and so on. It has been reported in the literature that anaerobic sepsis has accounted for 8-10% of the general sepsis. Metronidazole anti-anaerobic bacteria, but it does not kill aerobic bacteria, facultative anaerobes poor effect, so often mixed in the prevention and treatment of mixed infections. Cephradine as a semi-synthetic cephalosporins broad-spectrum antibiotics, due