<unk>  <unk>  is a form of<unk>  dermatitis that is the manifestation of an<unk>  response caused by<unk>  with a substance; the other type being irritant<unk>  dermatitis (ICD). Although less common than ICD,<unk>  is accepted to be the most prevalent form of immunotoxicity found in humans. By its<unk>  nature, this form of<unk>  dermatitis is a hypersensitive reaction that is atypical within the population. The mechanisms by which these reactions occur are complex, with many levels of fine control. Their immunology centres on the interaction of immunoregulatory cytokines and discrete subpopulations of T lymphocytes.
Allergic contact dermatitis
Phototoxic tar dermatitis
Autosensitization dermatitis
Contact dermatitis
Rodent mite dermatitis
Urushiol-induced contact dermatitis
Irritant contact dermatitis
Protein contact dermatitis