患者男,30岁。因肛周脓肿2d于2005年3月1日入院。入院后给5%葡萄糖注射液250m l,加甲磺酸培氟沙星(pefloxacin,常州金远药业制造有限公司,批号0408052,每支0.2g)0.4g静脉滴注,每日2次。当液体滴入约20m l时,患者突感腹痛难忍、面色苍白、头昏、恶心、呕吐、出汗。查体:体温36.8 Male patient, 30 years old. Perianal abscess 2d on March 1, 2005 admitted. After admission to the 5% glucose injection 250ml, add pefloxacin mesylate (pefloxacin, Changzhou Jinyuan Pharmaceutical Manufacturing Co., batch 0408052, each 0.2g) 0.4g intravenously 2 times a day. When the liquid drops about 20m l, the patient suddenly felt unbearable abdominal pain, pale, dizziness, nausea, vomiting, sweating. Physical examination: body temperature 36.8