Oral allergy syndrome is also called food-pollen allergy syndrome. It is a condition that causes immediate itching in the mouth and throat. This happnes after eating RAW fruits or vegetables that cross react with pollens you are allergic to. In this condition, cooked fruit does not cause a reaction. Reactions with canned or packaged fruits would likely be less intense. The risk of severe allergic reaction is rare in oral allergy syndrome. You care learn about oral allergy syndrome at our website here.