病例资料男性，４２岁。既往体健，无过敏史，半年前全身出现散在皮疹伴瘙痒，皮肤科诊断为银屑病，给予乙双吗啉２００ｍｇ，１日３次口服，半月后皮疹消褪。此后间断不规则服用，总剂量为１６ｇ。于１０天前出现高热，当地医院按感冒治疗，疗效不佳，并出现皮肤出血点、... Case information Male, 42 years old. Past physical health, no history of allergies, scattered systemic rash appeared with pruritus six months ago, dermatology diagnosed as psoriasis, given B double morpholine 200mg, 1 orally 3 times a day, half a month after the rash faded. Intermittent irregular use, the total dose of 16g. High fever occurred 10 days ago, the local hospital according to the cold treatment, poor efficacy, and the skin bleeding point, ...