刘某,男,21岁,战士。身体素健。因阴囊骚痒,局部渗出等,诊断为阴囊湿疹,于1983年8月24日入院。入院后采用抗组织胺类、激素和局部3％硼酸溶液湿敷等治疗1周,效果不佳。而加用核黄素10mg肌肉注射。注射后约2min病人自觉胸闷、心悸、头晕眼花,随后面色苍白、呼吸急促、烦躁不安、大汗淋漓、 Ryu, male, 21 years old, warrior. Body Su Jian. Due to scrotal itching, local exudation, diagnosis of scrotum eczema, admitted to hospital on August 24, 1983. Admission using antihistamines, hormones and topical 3% boric acid solution wet treatment for 1 week, the effect is not good. The addition of riboflavin 10mg intramuscular injection. About 2min after injection, the patient conscious chest tightness, palpitations, dizziness, then pale, shortness of breath, irritability, sweating,