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What is a food challenge and why might you take this test if you have eczema?

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How can you tell which foods cause flare-ups? Sometimes the best way is to look for skin symptoms after you eat that food. Your doctor can also give you a test called a food challenge. You eat the food that you think may cause the symptoms, then your doctor watches for a reaction.

SOURCES:

American College of Allergy, Asthma & Immunology: "Eczema in Children," "Testing Standards."

Asthma and Allergy Foundation of America: "Dust Mite Allergy," "Mold Allergy," "Pollen Allergy."

Flohr, C. , February 2014. Journal of Investigative Dermatology

McLean, W.H. , January 2011. F1000 Reports Medicine

National Eczema Association: "Causes & Triggers," "What About Food Allergies?" "What About Other Allergies?"

National Institute of Allergy and Infectious Diseases: "Pollen Allergy."

Reviewed by Stephanie S. Gardner on June 04, 2018

SOURCES:

American College of Allergy, Asthma & Immunology: "Eczema in Children," "Testing Standards."

Asthma and Allergy Foundation of America: "Dust Mite Allergy," "Mold Allergy," "Pollen Allergy."

Flohr, C. , February 2014. Journal of Investigative Dermatology

McLean, W.H. , January 2011. F1000 Reports Medicine

National Eczema Association: "Causes & Triggers," "What About Food Allergies?" "What About Other Allergies?"

National Institute of Allergy and Infectious Diseases: "Pollen Allergy."

Reviewed by Stephanie S. Gardner on June 04, 2018

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How do doctors do allergy tests if you have eczema?

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