A food allergy is an abnormal response to a food or a food additive.
A food allergy is when the body mistakes a food as being harmful. This makes the immune system release chemicals into the blood that cause symptoms to happen. The most common triggers of a food reaction are:
Tree nuts such as walnuts and pecans
A food allergy often starts when a person is a child. It may also start or continue when a person is an adult. Things that may put you at risk are:
Bird JA, Lack G, Perry TT. Clinical management of food allergy. J Allergy Clin Immunol Pract. 2015 Jan-Feb;3(1):1-11.
Food allergy. National Institute of Allergy and Infectious Diseases website. Available at: https://www.niaid.nih.gov/diseases-conditions/food-allergy. Accessed September 18, 2020.
Immunoglobulin E (IgE)-mediated food allergy. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/immunoglobulin-e-ige-mediated-food-allergy. Accessed September 18, 2020.
3/17/2015 DynaMed Systematic Literature Surveillance http://www.dynamed.com/topics/dmp~AN~T114561/Immunoglobulin-E-IgE-mediated-food-allergy: Du Toit G, Roberts G, et al. Randomized trial of peanut consumption in infants at risk for peanut allergy. N Engl J Med. Feb 26;372(9):803-813.
EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
To send comments or feedback to our Editorial Team regarding the content please email us at firstname.lastname@example.org. Our Health Library Support team will respond to your email request within 2 business days.