HealthDay News — Almost 2% of children in the United States have a milk allergy, according to a study presented at the annual meeting of the American College of Allergy, Asthma & Immunology, held from Nov. 15 to 17 in Seattle.

Christopher Warren, from the University of Southern California Keck School of Medicine in Los Angeles, and colleagues administered a cross-sectional survey to 53,575 parents from a representative sample of US households with children. Data on demographics, allergic symptoms and severity, diagnosis, and baked milk tolerance were obtained and analyzed.

The researchers found that 1.9% of children in the U.S. population sample had a convincing milk allergy. Of children with food allergy, 53.0% of infants had a milk allergy, while 41, 34, and 15% of 1- to 2-year-olds, 3- to 5-year-olds, and 11- to 17-year-olds had a milk allergy.

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“Children in the US spend their early years drinking milk, so it’s important to know that many of them — at least in the first few years — may be allergic,” Warren said in a statement. “Our findings suggest that while milk allergy is relatively common during infancy, many children are likely to outgrow their milk allergies.”

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