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Eczema is a term for several different types of skin swelling. Eczema is also called dermatitis. Most types cause dry, itchy skin and rashes on the face, inside the elbows and behind the knees, and on the hands and feet. Scratching the skin can cause it to turn red, and to swell and itch even more. Eczema is not contagious. The cause of eczema is unknown. It is likely caused by both genetic and... https://medlineplus.gov/eczema.html
A rash is an area of irritated or swollen skin. Many rashes are itchy, red, painful, and irritated. Some rashes can also lead to blisters or patches of raw skin. Rashes are a symptom of many different medical problems. Other causes include irritating substances and allergies. Certain genes can make people more likely to get rashes. Contact dermatitis is a common type of rash. It causes redness,... https://medlineplus.gov/rashes.html
Atopic dermatitis, often called eczema, is a chronic (long-lasting) disease that causes the skin to become inflamed and irritated, making it extremely itchy. https://www.niams.nih.gov/health-topics/atopic-dermatitis
MedlinePlus matched the above topic(s) to ICD-10-CM L30.9. ICD-10-CM stands for the International Classification of Diseases, 10th edition.
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