Apple allergy is an allergic reaction to proteins found in apples, often associated with Oral Allergy Syndrome (OAS). It typically affects individuals allergic to birch pollen, as similar proteins in apples can cause cross-reactivity. Symptoms range from mild oral irritation to more noticeable reactions, although severe cases are rare.
Individuals with apple allergy, especially those with Oral Allergy Syndrome, may also react to: