1病例报告患儿男,6岁,主因双下肢红色皮疹伴腹痛、咳嗽3 d,于2008年3月10日院外就诊,行X线胸片检查示双下肺小斑点状阴影,给予维生素C、赛庚啶、西米替丁、青霉素320万U分2次静脉滴注。治疗2 d后,患儿咳嗽消失,为进一步明确诊断来我院就诊。查体:体温36.8℃,脉搏75/min,呼吸18/ 1 case report Male, 6 years old, mainly due to double red rashes with abdominal pain, cough 3 d, March 10, 2008 outpatient visits, X-ray examination showed double small lungs under the shadow of small spots, given vitamin C , Cyproheptadine, cimetidine, penicillin 320 million U points 2 intravenous drip. After 2 days of treatment, children with cough disappeared, to further clarify the diagnosis to our hospital. Physical examination: body temperature 36.8 ℃, pulse 75 / min, breathing 18 /