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荨麻疹是由于许多不同的刺激和各种因素产生的,在其病因中既有免疫因素也有非免疫因素。最常见的免疫机制是过敏反应Ⅰ型,其介质是 IgE。另一种免疫机制是由于补体的活动
Urticaria is caused by many different stimuli and various factors, both in the etiology of immune factors as well as non-immune factors. The most common immune mechanism is anaphylactic reaction type I, the medium is IgE. Another immune mechanism is due to complement activity