<unk>  or<unk>  is an<unk> c reaction to certain (usually fresh) fruits, nuts, and vegetables. The<unk>  is not actually an<unk>  to food but a syndrome that develops in hay fever sufferers.  The immune system mistakes the food proteins for the pollen proteins and causes an<unk> c reaction.
Oral allergy syndrome
Insect sting allergy
Strep throat
Swyer's syndrome
Oculomucocutaneous syndrome
Aerophagia
Wheat allergy
Herpes simplex orofacial infection