A minor itch may encourage scratching which increases the irritation, leading to more scratching. It is less common in children than in adults. Nummular eczema is named for its round or coin-shaped appearance. It is seen less commonly in children than in adults. Perioral dermatitis can be caused by cosmetic allergy or steroid use on the face.
Contact dermatitis occurs following contact with a noxious material.
Poison ivy is an example of a material that causes contact dermatitis. Eczema may be confused with other types of dermatitis. This child has atopy on the buttocks. Atopic dermatitis occurs in people with tendencies towards allergies and who seem to have very sensitive skin. Individuals with chronic high exposure include older dentists and physicians who were exposed prior to adequate knowledge concerning radiation exposure.