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JAMA Clinical Guidelines Synopsis
March 6, 2018

Peanut Allergy Prevention

Author Affiliations
  • 1University of Chicago, Chicago, Illinois
JAMA. 2018;319(9):927-928. doi:10.1001/jama.2018.0449

Peanut allergy is the leading cause of death due to food-related anaphylaxis in the United States. Although the overall mortality rate is very low, the medical and psychosocial burden is substantial for the 2% of children and 1% of adults with peanut allergy.1 For some individuals, peanut allergy is identified early in life and persists through adulthood. Clinical practice guidelines have advised to exclude foods containing peanuts from the diets of infants and children until as late as 3 years of age despite limited evidence associating delayed introduction with allergy prevention.2 More recent evidence has questioned the benefit of delayed solid food introduction on atopic diseases, including asthma, eczema, and allergies.3