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What parts of the skin are affected by dermatitis?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Dermatitis affects the upper layer of skin. Rashes may appear on all parts of your skin. The area will vary depending on which type of dermatitis you have. Dermatitis commonly occurs on the hands, neck, legs, scalp, or face. 
Dermatitis creates a rash on the skin. The skin has many layers and functions. It is so large that it accounts for more than 10% of your body's mass, making it your largest organ. The skin is responsible for protecting your body and maintaining a moisture balance. Usually when skin comes in contact with an allergen or an irritant only the upper layers of the skin are affected. Those upper layers become red, inflamed, and itchy, and develop a rash.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.