Our Contact Dermatitis Main Article provides a comprehensive look at the who, what, when and how of Contact Dermatitis

Medical Definition of Allergic contact dermatitis

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.


Last Editorial Review: 5/13/2016

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