Allergy to Pollinated Fruit
This allergy occurs when someone who is allergic to pollen eats a fruit that contains the same protein as the pollen. This is called cross reactivity, and it can occur between ragweed and bananas, grasses and tomato, and birch trees and apples, plums, or peaches. Symptoms of such allergies are an itchy mouth and throat, and sometimes swelling of the lips. Symptoms usually go away if you swallow or spit out the fruit, and treatment is usually not necessary.
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