偶氮染料可引起一些人过敏反应，比如荨麻疹，血管性水肿和胃的问题。
Azo dye can, in some people, cause allergic reactions such as urticarial, angioedema and gastric problems.
荨麻疹：过敏反应引起的皮肤病，特征是突然出现轻微隆起的、顶部平滑的、非常痒的小肿块。
Hives (Or urticaria) : Allergic skin reaction in which slightly raised, flat-topped, very itchy swellings appear suddenly.
荨麻疹：过敏反应引起的皮肤病，特征是突然出现轻微隆起的、顶部平滑的、非常痒的小肿块。
Hives (Or urticaria) : Allergic skin reaction in which slightly raised, flat-topped, very itchy swellings appear suddenly.
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