患者女,26岁,已婚,因滴虫性阴道炎,口服甲硝唑0.4g/次,3次/日,服药半小时患者即感口唇发麻,舌灼热疼痛,未注意而继续服用1次,至第2天症状加重,口唇、口腔粘膜及舌头剧烈疼痛伴发热、流涎,影响正常饮食及睡眠,发病来无胸闷、气急及腹痛、腹泻现象。体检:T38℃,P104次/分,R24次/分,BP16/9kPa。急性病容,口唇红肿,口腔粘膜多发性大小不一溃疡,舌面溃疡融合成片并见多处小出血点,双颌下扪及多个肿大之淋巴结,直径0.5～1.0cm,有触痛,心律齐,杂音未闻,两肺呼吸音略粗,未闻罗音。腹软,全腹无压痛及反跳痛,四肢和躯干皮肤无出血点及皮疹。实验室检 Patient female, 26 years old, married, because of trichomonas vaginitis, oral metronidazole 0.4g / time, 3 times / day, medication for half an hour, the patient is lip numbness, tongue burning pain, did not pay attention and continue to take 1 Times, to the first 2 days of symptoms aggravate, lips, oral mucosa and tongue severe pain with fever, salivation, affect the normal diet and sleep, the incidence to no chest tightness, shortness of breath and abdominal pain, diarrhea. Physical examination: T38 ℃, P104 times / min, R24 times / min, BP16 / 9kPa. Acute disease, red and swollen lips, multiple oral mucosa ulcer size, tongue ulcer fusion and see a number of small bleeding points, multiple submucosal palpable lymph nodes with multiple swelling, diameter 0.5 ~ 1.0cm, tenderness , Qi Qi, unheard noise, lung sounds slightly coarse breath, did not hear Luo sound. Abdominal soft, full abdominal no tenderness and rebound tenderness, limbs and trunk skin without bleeding and rash. Laboratory test