This study sought to gain a more complete understanding of the current pediatric milk allergy distribution and diagnosis trends in the United States.

Data were collected on 38 480 children using a randomized cross-sectional survey of a representative sample of US households, which identified 657 children who were reported by parents to have a milk allergy.

Primary outcome measures were prevalence and severity of milk allergy defined as a convincing or confirmed allergy to any form of milk. Data were also collected on age of onset, development of tolerance, severity of reaction, and coexistence of other food allergies.

Eight percent (n = 3218 children) of the analytic sample had food allergies. Milk allergy was present in 19.9% and was second only to peanut allergy at 24.8%. The highest percentage of milk-allergic children (23.8%) fell within the 6- to 10-year age group, and the lowest percentage (15.0%) was in the...

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