Eczema is an atopic dermatitis and is a chronic (long-lasting) condition that causes inflammation, dryness, itchiness, redness, and irritation. It can affect anyone at any age, with flare ups are common. Although it cannot be passed from person to person, eczema can greatly disrupt your daily activities and comfort if untreated. Good medical treatment and skin care can help control eczema symptoms so that you can enjoy healthier, more comfortable skin.