What Is Egg Allergy?
Hen’s egg allergy is among the most common food allergies in young children, but is less common in older children and adults. Most children eventually outgrow their allergy to egg, although some individuals remain allergic to egg throughout their lives. Young children who are allergic to uncooked egg but can eat baked egg without reacting may be more likely to outgrow their egg allergy at an earlier age than young children who react to baked egg.
When a person with an egg allergy is exposed to egg, proteins in the egg bind to IgE antibodies made by the person’s immune system. This triggers the person’s immune defenses, leading to reaction symptoms that can be mild or very severe.
Experts estimate that as many as 2 percent of children are allergic to eggs.1
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Gupta RS, Warren CM, Smith BM, Blumenstock JA, Jiang J, Davis MM, Nadeau KC. The Public Health Impact of Parent-Reported Childhood Food Allergies in the United States. Pediatrics 2018; 142(6):e20181235
Gupta RS, Warren CM, Smith BM, Jiang J, Blumenstock JA, Davis MM, Schleimer RP, Nadeau KC. Prevalence and Severity of Food Allergies Among US Adults. JAMA Network Open 2019; 2(1):e185630.doi:10.1001/jamanetworkopen.2018.5630.
Leonard SA, Sampson HA, Sicherer SH, Noone S, Moshier EL, Godbold J, Nowak-Wȩgrzyn A. Dietary Baked Egg Accelerates Resolution of Egg Allergy in Children. J Allergy Clin Immunol. 2012; 130(2):473-80.