What is oral allergy syndrome?

Also known as: OAS, pollen-food syndrome.

Oral allergy syndrome is a type of food allergy where the allergic reaction only affects the lips, mouth and throat. It usually occurs in adults but can affect children, particularly when they have hay fever or asthma.

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Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM