变应性血管炎,亦称过敏性血管炎,是一种罕见的疾病,由于药物、异种血清或感染引起。本文1例与异种血清过敏有关。患儿,女,6岁3个月,因四肢肌肉、关节肿痛伴皮疹,发热24天入院。入院前25天曾第二次注射“乙脑”疫苗,随之出现四肢肌肉、关节肿痛,活动受限,四肢皮肤出现爪形出血性斑丘疹,无痒,伴有弛张热,在当地医院不 Allergic vasculitis, also known as allergic vasculitis, is a rare condition caused by drugs, xenoblasts or infections. One case of this article and heterogeneous serum allergy related. Children, women, 6 years old and 3 months, due to limb muscle, joint swelling and pain with rash, fever 24 days admission. 25 days prior to admission had a second injection of “JE” vaccine, followed by limb muscle, joint swelling and pain, limited mobility, claw-like bleeding on the limbs skin rash, no itch, accompanied by fever, in the local The hospital does not