Tests overview

People who suspect that they (or their children) have atopic dermatitis should carefully examine skin areas keeping three questions in mind:

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1. Is there dry skin with a red or scaly rash?
2. Is the rash itchy?
3. If the rash has occurred in the past, is the skin thicker in that area?

If the answer to any one of these questions is "yes," the next step is to consult a medical specialist--allergist/immunologists or dermatologists know a lot about this disease. They can perform additional diagnostic tests, including:

• A detailed medical history
• Blood tests and skin biopsy
• Allergy tests