Contact
Dermatitis
It develops after exposure to a broad variety of antigens such as the allergens in clothing, jewelry, insecticides. Coins, consmetics, furs etc. Other substances may include copper, formaldehyde, dyes, and bacterial enzymes. Protein fibres etc. The course of contact dermatitis is typical of type IV reaction. Repeated exposures cause a drying of skin, with erythema and scaling. There are unlimited possibilities that cause this type.
