Praveen Kumar Pathak1* and Shiwani Pathak2
Atopic Dermatitis (AD) is one of the common chronic skin diseases. Its affects infants and children, and persists into childhood. It affects about one fifth of all persons throughout their lifetime, but the prevalence of the disease varies greatly throughout the world. Over the last 40 years, the prevalence of atopic dermatitis has risen, perhaps by 2 folds to 3 folds, in developed or developed nations, and affects 15%–20% of children and 1%–3% of adults worldwide.