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How is food allergy diagnosed?

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Your doctor may do a radioallergosorbent blood test (RAST) to see how many antibodies your immune system makes. If certain types are high, it can help your doctor spot specific allergies.

You might also get an allergy skin test, also called a scratch test, to identify the substances that are causing your allergy symptoms.

From: Food Allergies and Your Skin WebMD Medical Reference

SOURCE:

American Academy of Allergy, Asthma and Immunology.

Reviewed by William Blahd on September 04, 2016

SOURCE:

American Academy of Allergy, Asthma and Immunology.

Reviewed by William Blahd on September 04, 2016

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How can my doctor figure out which foods trigger my allergies?

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