1　过敏反应患者 ,男 ,56岁 ,因肺结核给予帕司烟肼治疗 ,5ｄ后发现腹部、背部密布斑片状红色斑丘疹且瘙痒 ,1周后全身皮肤又出现红色小疹 ,随后出现大小不等的水疱最大者 9ｃｍ ,以大腿内侧足跟、脚踝明显。背部、肘部、臀部、骶尾部等皮肤受压部位出现糜烂破溃 ,双下肢水肿加 An allergic patient, male, 56 years old, was given paclitzine for pulmonary tuberculosis. After 5 days, it was found that the abdomen and back were covered with patchy red rash and itching. A red rash appeared on the whole body skin after 1 week, The blisters and other 9cm maximum to the medial thigh heel, ankle was obvious. Back, elbows, buttocks, sacrococcygeal pressure and other parts of the skin erosion ulceration, lower extremity edema plus