Urticaria, Hives. Allergy, Angioedema Red, bumpy, scaly, itchy, swollen skin-any of these symptoms can signify an allergic skin condition. These skin problems are often caused by an immune system reaction, signifying an allergy. Allergic skin conditions can take several forms and are due to various causes Hives and angioedema Hives or urticaria are red, itchy,...
