Irritants such as detergents and bleach can cause irritant contact dermatitis. Allergic contact dermatitis happens due to an allergic reaction to a particular substance, such as poison ivy or nickel.
There are four main subtypes of HD: contact dermatitis (irritant or al lergic dermatitis), atopic hand dermatitis, pomphylox (dyshidrotic ec zema), and hyperkeratotic dermatitis (Warshaw et al., ...