Apple allergy is an allergic reaction to proteins found in apples. It's commonly associated with Oral Allergy Syndrome (OAS), particularly in individuals who are also allergic to birch pollen, as the proteins in apples can cross-react with birch pollen. Reactions can range from mild to severe, although severe reactions are less common with apple allergies....
Individuals with apple allergy, especially those with Oral Allergy Syndrome, may also react to: