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A food challenge is a structured, carefully charted plan in introducing a suspected food with very small quantities and steadily increasing the dose until a normal meal-sized portion is eaten.
Since there is a risk of an allergic reaction to the food, the person should be closely monitored for a few hours. Food challenges are an effective way of verifying foods that would needlessly be withheld from a person’s diet.
Allergists have specialized training and experience in performing food challenges.
(Information only; not intended to replace medical advice; adapted from AAAAI)