11岁男孩因发热,咳嗽在县中医院给“庆大霉素”4万单位一日2次肌注。注射庆大霉素第三针后出现恶心呕吐,呕出草绿色胆汁样物。腹部隐痛,注射第四针后,上述症状加重,呕吐频繁。腹痛加重呈绞痛,四肢出现红色斑疹。即往无药物或食物过敏史,四肢皮肤可见散在米粒大小对称性分布,略高出皮面,鲜红色斑疹,丘疹压之不退 11-year-old boy because of fever, cough in the county hospital to give “gentamicin” 40,000 units twice a day intramuscularly. After the third injection of gentamicin nausea and vomiting, vomit grass green bile samples. Abdominal pain, after the injection of the fourth needle, the above symptoms aggravate, frequent vomiting. Abdominal pain increased colic, limbs appear red rash. Namely no history of drug or food allergy, limbs and skin visible scattered size distribution of symmetrical rice, slightly above the skin, bright red rash, pimple pressure of non-refundable