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过敏性紫癜是一种季节性比较强的疾病,每当季节转换时都是高发季节。它是全身性以坏死性小血管炎为主病理的疾病,多发于3～10岁的儿童。一般表现为皮疹、关节肿痛和胃肠道症。最为典型的症状是在四肢,尤其下肢体出现比较密集的血点皮疹,而且容易反复发作,无传染性。过敏性紫癜发作起来轻者关节肿痛、腹痛,重者出现便血、呕血现象,甚至发展为肠套叠、
Henoch-Schonlein purpura is a seasonal disease, which is a high season each season. It is a systemic disease of necrotizing vasculitis-based disease, mainly in children aged 3 to 10 years. The general performance of the rash, joint pain and gastrointestinal disorders. The most typical symptoms in the limbs, especially the lower limbs appeared more blood spots rash, and prone to recurrent, non-contagious. Allergic purpura attack in the light of joint swelling and pain, abdominal pain, severe cases of hematochezia, hematemesis, and even the development of intussusception,