HSP患儿中约有一半出现肾损害，此时称过敏性紫癜肾炎（henochschonleinpurpuranephritis，HSPN）。
B-dis I-dis I-dis O O O O O O O O O B-dis I-dis I-dis O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis O O