A female asked:
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can patch testing indicate food allergies?

2 doctor answers
Dr. Richard Wachs
26 years experience Allergy and Immunology
Yes: Patch testing can detect certain types of food allergies. For anaphylactic type (ige mediuated) food allergies, standard skin prick testing or specific ige blood tests are better at identifying food allergies. For other non-ige mediated reactions such as eosinophilic esophagitis, patch testing can identify some additional food sensitivities. Only have test recommended by a trained md.
Answered on Jul 6, 2013
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3 thanks
Dr. Andrew Murphy
29 years experience Allergy and Immunology
No: Food allergy is a very precisely defined reaction - allergy antibody medicated reaction to a food that causes an immediate reaction that can be itchy, hives, swelling, SOB, wheezing, abdominal pain, nausea, vomiting, diarrhea and in severe cases death. There are those who are offer "patch testing" to define "food allergy or sensitivities" - these are not valid test and should be avoided.
Answered on Feb 27, 2019

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A 40-year-old member asked:
Dr. Andrew Murphy
29 years experience Allergy and Immunology
Can't really answer: The cost of food allergy testing will vary depending upon what is tested for, how it is tested ( skin test vs blood work) and how many tests are done.
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A 51-year-old female asked:
Dr. Faiz Shakir
15 years experience Gastroenterology
Not usually: Most people have "intolerances" rather than true food allergies. In my personal experience, I have seem a low percentage of true correlation between a ... Read More
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Plenty: As patient with suspected food allergy should undergo a thorough history and physical exam to confrim or refute the diagnosis of food allergy. If fa i ... Read More
A 30-year-old member asked:
Dr. Brian Novick
43 years experience Allergy and Immunology
No: No test is 100% reliable but depending on the history of your reaction, a negative skin test can be reassuring...And a "strongly" positive skin test ... Read More
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