Atopic Dermatitis/Eczema profile test

What is an atopic dermatitis profile test?

An atopic dermatitis profile test, is a blood test that helps to identify allergens that cause atopic dermatitis (a common type of eczema). The test measures your total IgE (immunoglobulin E) levels in your blood in response to allergens, such as cod fish, cow’s milk, egg white, soyabean, peanut, hazelnut, shrimp, wheat, apple, dust mite (dermatophagoides, pteronyssinus), cat dander, dog dander, Timothy grass and common silver birch. Blood samples are sent away to a lab to be analysed, the results of which will be provided in a report.

Understanding eczema profile testing: What to expect

Eczema profile testing may include a:

• Blood test to check for allergens
• Patch test, where allergens are applied to your skin and examined for signs of a reaction
• Medical history about your rash and any triggers
• Physical exam

Best tests for diagnosing atopic dermatitis and related allergies

The best tests for diagnosing atopic dermatitis and related allergies are a combination of blood tests, patch tests, a physical examination and having your medical history taken.

Managing eczema with the right treatment options

Treatments for eczema include:

• Topical corticosteroids prescribed by a dermatologist
• Moisturising creams, lotions or ointments to hydrate the skin and relieve itching
• Antihistamines
• Emollients
• Soap substitutes

You may need to use different treatments over a period of time as the symptoms of eczema may return.

When should you consider an atopic dermatitis profile test?

You should consider an atopic dermatitis profile test if you have allergy symptoms or flare-ups, such as itchiness, dry skin, oozing, crusting or bumps, which develop quickly after being exposed to specific allergens. In more extreme cases, atopic dermatitis can cause severe allergic reactions such as anaphylaxis, which requires immediate medical attention.

Frequently asked questions about atopic dermatitis/eczema profile tests

What is an atopic dermatitis profile test used for?

An atopic dermatitis (eczema) profile test, is a blood test that helps to identify allergens that cause atopic dermatitis. The test measures your IgE antibodies levels in your blood in response to allergens.

What are the most common allergens tested in an eczema profile?

The most common allergens tested for in an eczema profile test include cod fish, cow’s milk, egg white, soyabean, peanut, hazelnut, shrimp, wheat, apple, dust mite, cat dander and dog dander.

Can eczema profile tests identify triggers for flare-ups?

Yes, eczema profile tests can identify triggers that cause eczema flare-ups. An allergist or dermatologist can carry out patch tests to identify specific allergens.

How accurate are atopic dermatitis tests for diagnosing eczema?

The accuracy of an atopic dermatitis test will depend on the type of test. The patch test is a more accurate test than a skin-prick test for diagnosing food allergies, especially in young children under two years of age.

What’s the difference between an atopic dermatitis test and a standard allergy test?

The difference between an atopic dermatitis test and a standard allergy test is that the atopic test is a patch test, while the standard allergy test includes a skin prick test or an IgE test.