患者男,32岁。因手及面部肿胀2h入院。患者2h前因腹泻自服泻痢停2片,用药10min后,患者自觉全身瘙痒,2h后出现双手及面部肿胀,急来我院就诊。近日未服用其他药物,既往有磺胺类药物过敏史。查体:急性病容,四肢末端温暖,面部及双手弥漫性肿胀,皮肤划痕征阳性。就诊过程中突然出现 Male patient, 32 years old. Due to hand and facial swelling 2h admission. Patients 2h ago due to diarrhea self-serving Xie Li stop 2, medication 10min, the patient consciously systemic itching, 2h after the emergence of both hands and facial swelling, anxious to our hospital. Recently not taking other drugs, past history of allergies to sulfa drugs. Examination: acute disease, extremities warm, diffuse swelling of the face and hands, skin scars positive sign. A sudden appearance during the visit