Eczema can appear in different forms, and it is possible to have more than one type of eczema. Seeking the care of one of our qualified NYC eczema doctors can help identify the right treatment or combination of treatments to achieve the best results for you. Types of eczema include: Atopic Dermatitis: The most common form of eczema. It forms a red rash that causes dryness and irritation. Contact Dermatitis: Is caused by contact with an outside irritant, often causing redness or hives. Subtypes include irritant contact dermatitis (chemicals), allergic contact dermatitis (allergens), and contact urticaria. Dyshidrotic Eczema: Small blisters form on your hands and feet. Blisters are often itchy and filled with fluid. Nummular Eczema: Circular rashes form on the affected area(s). Common on the arms and legs. Seborrheic Dermatitis: Affects the scalp. Causes flaky, red, or oily skin. Can also occur on the face, upper chest, and back. Stasis Dermatitis: Caused by fluid buildup in the legs. Skin appears discolored and thicker than before.