1病历摘要男,21岁。左下腹部疼痛伴血尿1 d就诊,经体检、B超、血、尿常规检查诊断为:左输尿管下段结石伴感染。收住院,给予诺氟沙星注射液200 mg静脉滴注,2次/d及654-2利石素等治疗,1 d后,患者感双下肢及臀部瘙痒,出现紫红色大小不等散在分布紫癜,压之不褪色,WBC 10.5×109/L,N 0.85,PLT 150×109/L,出血时间为2 min,凝血时间4 min。考虑系为药物所致过敏性紫癜,给予扑尔敏、地塞米松口服,葡萄糖 1 medical record Summary Male, 21 years old. Lower left abdominal pain with hematuria 1 d treatment, physical examination, B ultrasound, blood, urine routine examination diagnosed as: the lower left ureteral calculi with infection. Admitted to hospital, given norfloxacin 200 mg intravenous infusion, 2 times / d and 654-2 vetiver and other treatment, 1 d, the patient sense of lower extremities and buttocks itching, purple-red sizes scattered distribution Purpura, pressure does not fade, WBC 10.5 × 109 / L, N 0.85, PLT 150 × 109 / L, bleeding time was 2 min, clotting time 4 min. Considered as a drug-induced allergic purpura, given chlorpheniramine, dexamethasone oral, glucose