A common skin condition, atopic dermatitis is frequently described as "the itch that rashes." Intensely itchy patches form. These patches can be widespread or limited to a few areas. Scratching often leads to redness, swelling, cracking, "weeping" of clear fluid, crusting, and scaling of the skin. Constant scratching can cause skin damage, infection, and sleep loss.
Ten percent to 20 percent of children and 1 percent to 3 percent of adults develop atopic dermatitis, making it the most common type of eczema. For 60 percent or more, atopic dermatitis begins during the first year of life, and at least 80 percent have the condition before age 5. While rare, atopic dermatitis can first appear at puberty or later.
Eczema Later in Life
Atopic dermatitis also can be a lifelong condition. Fortunately, for many it tends to become less severe with age. During the teenage and young-adult years, the itchy patches often develop on the elbows and knees. Other common sites for these patches are the hands, feet, ankles, wrists, face, neck, and upper chest. Patches are not limited to these areas; they can appear anywhere on the body, including around the eyes and on the eyelids.
In teens and adults, patches of atopic dermatitis are typically dry, may look discolored, and also may be scaly or have thickened skin.