患者男 ,40岁 ,因发热、咳嗽、咽痛、全身酸痛而就诊。体检 :T38.5℃ ,咽部充血 ,双肺未闻及病理性罗音。诊为上呼吸道感染 ,给予感冒药及复方氨基比林注射液 2 ml肌注。注射后10分钟患者感觉全身皮肤瘙痒 ,并出现全身皮肤大小不等红色丘疹 ,伴有腹痛。送医院急诊 ,追询既往有 Male patient, 40 years old, due to fever, cough, sore throat, body aches and treatment. Physical examination: T38.5 ℃, pharyngeal hyperemia, lungs unheard of and pathological rales. Diagnosis of upper respiratory tract infection, cold medicine and compound aminopyrine injection 2 ml intramuscular injection. Ten minutes after the injection, the patient feels systemic itchy skin and presents with red papules ranging in size from whole body skin to abdominal pain. To the hospital emergency room, the pursuit of past