Eczema, allergic contact: A red, itchy, weepy reaction that occurs 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. Also known as allergic contact dermatitis.
Quick GuideEczema (Atopic Dermatitis) Causes, Symptoms, Treatment
Subscribe to MedicineNet's Skin Care & Conditions Newsletter
Skin Problems and Treatments Resources
Last Editorial Review: 7/1/2016