The number of people who are diagnosed with this skin condition is increasing. While there is no known cure, learning how to control it and avoid the causes will keep your skin healthy. This article will answer your question, "How to treat eczema." The primary cause of eczema is atopic dermatitis or asthma. This is a chronic respiratory condition that causes inflammation of the airways. When it occurs in the upper layer of the skin, as in atopic dermatitis, the result is dry and flaky skin. People with this condition have difficulty in drying off the skin because their breathing tends to be blocked. The only way to alleviate this problem is by preventing the irritation from occurring.