HomeMythbuster – Can food allergy and pollen allergy overlap?

Mythbuster – Can food allergy and pollen allergy overlap?

October 21, 2021

Myth Stamped in Red Ink with Rubber Hand Stamp

FACT: Yes, they can. Oral Allergy Syndrome (OAS), now usually called Pollen Food Syndrome (PFS), is a type of food allergy. With OAS/PFS, the proteins in certain fresh fruits, vegetables and tree nuts are similar to those in pollens, and this “cross-reactivity” can cause allergic symptoms like an itchy mouth or throat. Symptoms may be worse in the cross-reactive pollen season. For example, if someone is allergic to birch tree pollen and has symptoms in the springtime, they may also experience symptoms from eating fresh fruits like apples.

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Healthy food selection. Shopping bag full of fresh vegetables and fruits. Flat lay food on tableOral Allergy Syndrome (OAS)/Pollen Food Syndrome (PFS)

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