A 36-year-old member asked:
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are food allergies genetic?

2 doctor answers
Dr. Arthur Torre
51 years experience Pediatric Allergy and Asthma
Somewhat: Having allergies is genetic. Specific allergies whether to foods or inhalled allergens (like pollens, pets dust and molds) do have some familial patterns but they are not typically identical in family members, .
Answered on Jul 16, 2013
5
5 thanks
Dr. Andrew Murphy
29 years experience Allergy and Immunology
Loaded Question: To some degree they may be. For example in peanut allergic children subsequent sibs are probably at a higher risk than the general population for peanut allergy. However, the genetics of allergic disease is very complex and one generally passes on the ability to be allergic rather than a specific allergy.
Answered on Oct 4, 2016
3
3 thanks

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A 33-year-old female asked:
Dr. Martin Fried
36 years experience General Practice
Yes: it typically presents as a food allergy which involves immunoglobulin E and mast cells. There is a genetic component to it. IgE testing might miss som ... Read More
A 47-year-old member asked:
Dr. Al Hegab
Dr. Al Hegab answered
40 years experience Allergy and Immunology
Not really: If he were your biological father you might have genetic tendency to have the same allergies as he has, but he is your step father, your half siblings ... Read More
A 44-year-old member asked:
Dr. Joram Seggev
Specializes in Allergy and Immunology
Yes: Allergy has a significant element of genetics. It is not caused by a single gene. There are also multiple influences by the environment. Children whe ... Read More
A 50-year-old member asked:
Dr. Michael Rupp
21 years experience Allergy and Immunology
No: Specific allergies are not genetic, but the tendency to develop allergies is. You cannot be allergic to something you have never been exposed to, so ... Read More

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