患者女,38岁。因慢性下腹疼痛,月经量减少,于2002年10月15日到北京某医院诊治。诊断为附件炎,给予左氧氟沙星0.2g,2次/d口服。服药后上述症状减轻,于服药后3周左右自行停药。几周后,下腹部疼痛复发,再次服用左氧氟沙星治疗,剂量同前。为增加疗效,遵医嘱加用替硝唑0.5g,2次/d口 Female patient, 38 years old. Chronic abdominal pain due to reduced menstrual flow, in October 15, 2002 to a Beijing hospital for treatment. Diagnosis of annex inflammation, levofloxacin 0.2g, 2 times / d orally. After taking the drug to reduce the above symptoms, in the medication about 3 weeks after stopping their own. A few weeks later, the lower abdomen pain recurred, taking levofloxacin again, with the same dose. To increase efficacy, as prescribed plus tinidazole 0.5g, 2 times / d mouth