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AAP Clinical Report Highlights Early Introduction of Peanut-based Foods to Prevent Allergies

Child in high chair being spoon fed. Child in high chair being spoon fed.

The American Academy of Pediatrics updates a clinical report that explores how maternal and infant nutrition affect development of infant allergies   

The American Academy of Pediatrics (AAP), examining the latest research on how to prevent allergies in children, confirms that a growing body of evidence supports the early introduction of peanut-based foods to infants to prevent peanut allergies.

The AAP, which endorsed a policy on early peanut introduction in high-risk infants in 2015, bolsters the recommendation with research cited within a clinical report published in the April issue of Pediatrics. The clinical report updates and replaces 2008 guidance on the roles of maternal and early infant diet in preventing atopic diseases – or allergic responses – such as dermatitis, asthma and food allergies.

The report is titled, “The Effects of Early Nutritional Interventions on the Development of Atopic Disease in Infants and Children: The Role of Maternal Dietary Restriction, Breastfeeding, Hydrolyzed Formulas, and Timing of Introduction of Allergenic Complementary Foods.

“We know that some children are predisposed to allergies because of their family history,” said Frank Greer, MD, FAAP, co-author of the clinical report. “It’s clear that sometimes nutrition can play a key role in preventing or minimizing allergies that can be concerning – or even deadly – for some children.”

Eight groups of foods account for about 90 percent of all food allergies and must be declared on U.S. product labels. These include cow milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybean. More than 170 additional foods are reported to cause allergic reactions, and some, including sesame, are included in labeling laws in other countries.

The AAP discusses the evidence concerning whether maternal diet, breastfeeding, hydrolyzed formulas and timing of introduction of allergenic complementary foods prevent infant allergies. 

“There is no reason to delay giving your baby foods that are thought of as allergens like peanut products, eggs or fish,” said Dr. Scott Sicherer, MD, FAAP, a coauthor of the report. “These foods can be added to the diet early, just like foods that are not common allergens, like rice, fruits or vegetables.”

The AAP also finds:

  • Exclusive breastfeeding for the first 3 to 4 months helps protect against eczema during a child’s first two years of life. Any amount of breastfeeding (even if it is not exclusive) beyond 3 to 4 months also protects against wheezing for the first two years and offers even longer benefits in reducing asthma. 

  • Evidence does not support restricting a mother’s diet during pregnancy or breastfeeding as methods to prevent allergies.

  • Hydrolyzed formula does not prevent allergies in infants and children, even in those at high risk for allergic disease, according to research. This finding marks a change from the 2008 clinical report, which concluded there was modest evidence that supported the use of hydrolyzed formula to prevent dermatitis in high-risk infants.

  • Recommendations on the prevention of peanut allergy are based primarily on the Learning Early About Peanut Allergy (LEAP) trial. Ground peanuts and other specialized formulations are advised, as whole peanuts are a choking hazard to children under 4. 

An expert panel convened by the National Institute of Allergy and Infectious Diseases (NIAID) developed guidelines for early peanut introduction endorsed by the AAP.  This includes adding infant-safe forms of peanut to the diet for most babies, as early as around 6 months, after other solid foods are tolerated.  

For high-risk infants who have severe eczema requiring prescription treatments or have an egg allergy, testing for peanut allergy and introduction of peanut-containing foods under supervision of a health care provider is a consideration. These high-risk infants may have peanut products introduced as early as 4-6 month of age. More information is available in the NIAID Guidelines

“We encourage parents to talk to their pediatrician or allergist about the symptoms of allergies and whether their child should be tested,” said A. Wesley Burks, M.D., FAAP, who coauthored the report. 

“The physician can help track any changes in allergies, some of which may go away as a child grows older.”

Additional Information from HealthyChildren.org: 

Published
3/18/2019 12:00 AM
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