A practical overview of pediatric atopic dermatitis, part 3: differential diagnosis, comorbidities, and measurement of disease burden.

Atopic dermatitis (AD) is a multisystem disorder that has wide-reaching comorbidities and may mimic a variety of skin conditions. In the third part of this series, the differential diagnosis of pediatric AD including possible clinical mimics is discussed as well as the many recently identified comorbidities of pediatric AD, including psychosocial and allergic diseases.