Allergic contact dermatitis
A red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy, poison oak or poison sumac or certain preservatives in creams and lotions. This type of reaction reflects a specific sensitivity or allergy to a specific substance. Also called allergic contact eczema.

* * *

contact dermatitis due to allergic sensitization to a substance, with an inflammatory reaction in the skin; this occurs primarily in persons who have acquired hypersensitivity to the allergen as a result of previous exposure to it. Called also allergic d. and contact d. Cf. irritant d.

Allergic contact dermatitis due to nickel allergy.


Medical dictionary. 2011.

Look at other dictionaries:

  • allergic contact dermatitis — An allergic reaction caused by haptens that combine with proteins in the skin to form the allergen that produces the immune response …   Dictionary of microbiology

  • Contact dermatitis — Classification and external resources Rash resulting from skin reactions. ICD 10 L …   Wikipedia

  • Contact dermatitis — A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a rash brought on purely by repeated irritation from a substance such as water causing dish pan hands ) and allergic contact dermatitis… …   Medical dictionary

  • Allergic contact eczema — Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and lotions …   Medical dictionary

  • allergic contact urticaria — a type of contact urticaria seen as part of allergic contact dermatitis, particularly in children …   Medical dictionary

  • contact dermatitis — Pathol. inflammation of the skin caused by an allergic reaction to contact with an animal, vegetable, or chemical substance. * * * ▪ dermatology       localized redness and swelling of the skin, together with the formation of vesicles (blisters)… …   Universalium

  • Contact dermatitis, allergic — Also called allergic contact eczema, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and lotions …   Medical dictionary

  • contact dermatitis — noun a delayed type of allergic reaction of the skin resulting from skin contact with a specific allergen (such as poison ivy) • Hypernyms: ↑dermatitis • Hyponyms: ↑bubble gum dermatitis, ↑Rhus dermatitis * * * Pathol. inflammation of the skin… …   Useful english dictionary

  • protein contact dermatitis — allergic contact dermatitis caused by proteins in food products, usually seen in professional food handlers …   Medical dictionary

  • Urushiol-induced contact dermatitis — Classification and external resources ICD 10 L23.7 ICD 9 692.6 …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”