Atopic dermatitis is a long-term skin disease. “Atopic” refers to a tendency to develop allergy conditions. “Dermatitis” means swelling of the skin. Atopic dermatitis is most common in babies and children. But it can happen to anyone. People who live in cities and dry climates may be more likely to get this disease. By selecting "Learn More", you will be directed to the NIAM National Institutes of Health website.