甲硝唑是美国食品和药物管理局唯一认可的治疗滴虫病的药物。一次口服2g甲硝唑的治愈率为82％～95％。另一用药方法为口服7天甲硝唑。常见的副作用有恶心、呕吐、口中有金属味。口服甲硝唑治疗滴虫性阴道炎非常有效,但亦有失败者。新近发现有耐药的滴虫存在,因此有人提出口服的同时局部阴道内用药 Metronidazole is the only drug approved by the U.S. Food and Drug Administration to treat trichomoniasis. Oral 2g metronidazole cure rate was 82% to 95%. Another method of medication is oral metronidazole 7 days. Common side effects are nausea, vomiting, mouth metallic taste. Oral metronidazole treatment of trichomonas vaginitis is very effective, but there are also losers. Recently, there are drug-resistant trichomoniasis, it was suggested that oral administration of local vaginal