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Atopic dermatitis is a long-lasting (chronic) skin condition that causes intense itching and then a red, raised rash. In severe cases, the rash develops clear fluid-filled blisters. In infants, it usually affects the cheeks, the front of the knees, and the back of the elbows.
Atopic dermatitis is often called eczema or atopic eczema.
WebMD Medical Reference from Healthwise