Eczema, contact: A localized reaction that involves redness, itching, and burning that occurs where the skin has come into contact with an allergen (an allergy-causing substance) or an irritant such as an acid, a cleaning agent, or another chemical. QUESTION Eczema (also atopic eczema or atopic dermatitis) is a general medical term for many types of skin inflammation. See Answer From Skin Problems and Treatments Resources Understanding Your Child's Atopic DermatitisTreatments for Atopic DermatitisMy Life with Moderate to Severe AD Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19