患儿,男,11岁,因患扁桃体炎服麦迪霉素6片(剂量0.6g)分三次服,次日出现肉眼血尿,无尿急、尿频、尿痛、腰痛、腹痛及发热等症状,无外伤史,自发现血尿后自行停服麦迪霉素,一天后肉眼血尿消失,来诊。查体:体温36.5℃,血压12.26/7.73kPa,无浮肿,两侧扁桃体Ⅱ°肿大,充血,心肺无异常发现,肝剑突下1.5cm,肾区无叩击 Children, male, 11 years old, suffering from tonsillitis and moxibustion 6 tablets (0.6g dose) in three servings, the next day there was gross hematuria, no urinary urgency, frequent urination, dysuria, back pain, abdominal pain and fever and other symptoms, No history of traumatic injury, since the discovery of hematuria after stopping midecamycin, one day after the disappearance of gross hematuria, to the clinic. Physical examination: body temperature 36.5 ℃, blood pressure 12.26 / 7.73kPa, no edema, both sides of the tonsils Ⅱ ° enlargement, congestion, no abnormal heart and lung findings, liver xiphoid 1.5cm, kidney percussion