1　病例介绍患者冯某,男,18岁,入院前4天因自觉咽喉疼痛,遂自服“板兰根冲剂(北京同仁堂制药二厂生产)2包。因药后症状未缓解,也未再服用。入院前1日在腹部出现红色细小斑丘疹,微痒,未予重视。夜间皮疹逐渐增多,泛发全身,尤以面部、胸腹部为多,自觉瘙痒,伴见口苦咽痛,便干尿黄, 1 Case Presentation Patient Feng Mou, male, 18 years old, 4 days before hospitalization due to conscious of sore throat, he took 2 packets of “banlangen granules (manufactured by Beijing Tongrentang Pharmaceutical Factory 2) for self-administration. On the 1st day before admission, there was a small, red rash on the abdomen, which was irritated and was not taken seriously.The night rash gradually increased, and the body was widespread, especially on the face, chest and abdomen, and consciously pruritus. yellow,