Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Contact dermatitis, allergic
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
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.