Birch Pollen & Soy Allergy Cross Reactions

birch reports that certain proteins in birch pollen and soy beans are so similar that people who are allergic to birch pollen may experience an allergic reaction after eating soy; this is known as cross allergy or oral allergy syndrome.

Those allergic to birch pollen may also experience cross reactions with peanuts, hazelnuts, apples, celery, strawberries, and carrots. Typical symptoms include itching of the mouth, hay fever, skin rashes, and digestive problems.

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