患者男 ,42岁。患银屑病 2余年 ,1天前到个体诊所自购皮康王 (湖北津奉药业有限公司生产 )外用。约 4小时后 ,先自觉涂药部位微痒 ,轻度红肿 ,未在意 ,晚上 7时继续用该药外用。次日 ,双下腿胫前出现边界清楚的片状水肿性红斑。其间散在针尖至米粒大丘疱疹及少许点状糜烂、渗出 Male patient, 42 years old. 2 years suffering from psoriasis, 1 day ago to the individual clinic since the purchase of Peikang Wang (Hubei Jin Feng Pharmaceutical Co., Ltd. production) topical. About 4 hours later, first consciously apply site micro-itch, mild swelling, did not care, continue to use the drug at 7 o’clock in the evening. The next day, a clear border edematous erythema occurred in both legs before the tibia. During the scattered tip to rice Hercules Herpes and a little punctate erosion, exudation