To diagnose eczema, your doctor will first talk to you about your symptoms and medical history.
He or she will also ask about your family's history of rashes and other allergy-related medical conditions, such as asthma and hay fever.
While there is no single test to diagnose eczema, a good medical history and an exam of your skin are usually all that is needed.
What Are the Treatments for Eczema?
Good skin care is a key component in controlling eczema. For some people with mild eczema, modifying their skin care routine and making a few lifestyle changes may be all that is needed to treat eczema. Other people with more severe eczema may need to take medications to control their symptoms.
Non-drug treatments for eczema include:
- Mild soap and moisturizer. It's best to use a mild soap or soap substitute that won't dry your skin. Gentle soaps, known as syndets, are available at the drugstore (brand names can be recommended by your doctor or pharmacist). A good moisturizer (in cream, lotion, or ointment form) helps conserve the skin's natural moisture and should be applied immediately after a shower or bath, as well as one other time each day. Some people with severe eczema may benefit from taking baths with a small amount of bleach added to the water. The bleach helps to kill bacteria that live on the skin of people with eczema.
- Short, warm showers. People with eczema should avoid taking very hot or very long showers or baths, which can dry out your skin.
- Reduce stress . Take steps to reduce stress. Get regular exercise and set aside time to relax.
- Get a humidifier.
Medications and other treatments for eczema include:
- Hydrocortisone . Over-the-counter hydrocortisone cream or ointment may help mild eczema. Prescription steroid cream may be needed for more severe eczema.
- Antihistamines . Oral antihistamines such as Benadryl are available over-the-counter and may help relieve symptoms. Some of these cause drowsiness, which may be of benefit if nighttime itching is a problem. There are also non-drowsy antihistamines.
- Corticosteroids. If other treatments fail, your doctor may prescribe oral corticosteroids. Always follow your doctor's directions when taking oral steroids.
- Ultraviolet light therapy. People with very severe eczema may benefit from therapy using ultraviolet light.
- Immunosupressants. Drugs that suppress the immune system may also be an option. These medicines, such as cyclosporine, azathioprine, or methotrexate, may be used when other treatments have failed.
- Immunomodulators. This type of medicated cream helps treat eczema by controlling inflammation and reducing the immune system reactions. Examples include Elidel and Protopic.
- Prescription-strength moisturizers. These replace the barrier of the skin. Examples include Hylatopic Plus, Mimyx, and Epiceram.
WARNING: The FDA has issued its strongest "black box" warning on the packaging of Elidel and Protopic. The warning advises doctors to prescribe short-term use of Elidel and Protopic only after other eczema treatments have failed in adults and children over age 2. Younger children should not take these medications.

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