Allergic Skin Disorders

A skin disease characterized by areas of severeitching, redness, scaling, and loss of the surface of the skin.Atopic dermatitisis the most common of the many types ofeczema.Atopic dermatitisis frequently associated with otherallergicdisorders, especiallyasthmaandhay fever. A defect of the immune system within the skin has been detected in patients who have特应性皮炎, but the reason for the defect is unknown.