Kategori:Ürtiker ve anjioödem
<!--
Urticaria is a vascular reaction of the skin characterized by the appearance of wheals. Angioedema, which can occur alone or with urticaria, is characterized by a well-defined, edematous swelling that involves subcutaneous tissues, abdominal organs, and/or upper airway. -->
Kategori:Dermatoloji hastalıkları
Kategori:Bağışıklık sistemi bozuklukları
<!--
Category:Type 1 hypersensitivity
-->.