Do you get an itchy mouth when you eat certain foods?  Consider the

ORAL ALLERGY SYNDROME

Definition:

An allergic reaction limited to the mouth. It is most commonly caused by sensitization to fresh fruits and vegetables in patients with allergy to pollens. Direct contact of the inside of the mouth with the fruit or vegetable is necessary for this reaction to occur.

Prevalence

Approximately 35% of patients allergic to pollens share allergic symptons and skin test positive results to fresh fruits and vegetables. Adults appear to develop this form of allergy more frequently than children.

Clinical Features

Redness, itchiness and occasionally swelling limited to inside the mouth.

Cross-Reactions

Birch Pollen:    almond, apple, carrot, celery, cherry, brazil nut, fennel, hazel nut, orange,    
                       peanut, peach, pear, plum, parsnip, potato, rutabaga, tomato, walnut

Mugwort:         celery

Ragweed:         banana, cantaloupe, honeydew, watermelon

Timothy:           apple, carrot, celery

Latex:           avocado, banana, chestnut, kiwi, papaya, pear, pineapple

Treatment

Avoidance of offending food.