荨麻疹是皮肤科较常见的皮肤黏膜过敏性疾病，它的病因复杂。

Urticaria is a common skin mucocutaneous allergic disease in dermatology. The etiology is very complex.

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荨麻疹是皮肤科较常见的皮肤黏膜过敏性疾病，它的病因复杂。

Urticaria is a common skin mucocutaneous allergic disease in dermatology. The etiology is very complex.

youdao