Type 1 hypersensitivity Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Urticaria Pages in category "Type 1 hypersensitivity" This category contains only the following page. U Urticaria Retrieved from "http://psychology.wikia.com/wiki/Category:Type_1_hypersensitivity"