(HealthDay News) -- Allergic skin conditions may include eczema and hives. But how do you know if you have one? The American Academy of Allergy Asthma & Immunology offers these typical symptoms of a skin allergy: An unusual rash. Skin that appears red, scaly or itchy. Swelling of the eyelids, genitals or mouth. Skin that appears dry and flaky. Skin that blisters or looks inflamed. .Sign up for our weekly HealthDay newsletter