过敏性紫癜是学龄前儿童及学龄儿童的常见疾病，是一种变应性血管炎综合征，常伴有关节、胃肠道和肾损害等症状。目前首选的治疗方法仍是皮质激素而皮质激素治疗有不少副作用，且有些病例易反复发作甚至激素治疗无效。近年文献报道用一些老药治疗过敏性紫员疗效较好，且可避免? Henoch-Schonlein purpura is a common disease in preschool children and school-age children and is an allergic vasculitis syndrome, often accompanied by symptoms such as joint damage, gastrointestinal tract and kidney damage. Currently the preferred treatment is still corticosteroids and corticosteroids have many side effects, and some cases of repeated attacks or even hormone therapy is invalid. In recent years, the literature reported that the treatment of allergic patients with some old drugs is better, and can be avoided?