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Allergy food challenge

Allergy food challenge

M320/0381

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Credit

PAUL RAPSON / SCIENCE PHOTO LIBRARY PAUL RAPSON / SCIENCE PHOTO LIBRARY

Caption

Food challenge. The boy will eat a variety of foods one by one, while being watched for symptoms of an allergic reaction by a doctor. The foods will include suspected allergens and placebos. Neither the patient nor doctor know which foods are which. Symptoms of an allergic reaction include local or systemic swelling and a rash. More serious reactions can cause a drop in blood pressure and breathing difficulties. This is known as anaphylactic shock and can be fatal in minutes. A food challenge is used after other tests, such as skin tests, to confirm an allergy.

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Model release available. Property release not required.

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