13 doctors weighed in:
Is it possible to develop food allergies that you have never been allergic to before? I'm 24 and have a reoccurring rash due to something I eat.
13 doctors weighed in

David Miller
Family Medicine
7 doctors agree
In brief: Certainly
Allergy reactions require that you have had a prior exposure; you can't have an allergy to something you have never been exposed to.
Allergies, including food allergies, can appear later in life. You should find a good allergy doctor and get tested.

In brief: Certainly
Allergy reactions require that you have had a prior exposure; you can't have an allergy to something you have never been exposed to.
Allergies, including food allergies, can appear later in life. You should find a good allergy doctor and get tested.
David Miller
David Miller
Answer assisted by David Miller, Medical Student
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3 comments
David Miller
Yes, an immunologist is a specialist (MD or DO) who deals with allergies (and other issues related to immunity). You can also sometimes find other MDs and DOs who test for and treat allergies without a specialty certification. Just do some digging and you should be able to find the right person in your area.
Dr. Maziar Rezvani
Internal Medicine - Allergy & Immunology
3 doctors agree
In brief: Most common foods
Which cause issues in adults are peanuts, tree-nuts, shellfish, and fish, but certainly any food allergy can occur at any age.

In brief: Most common foods
Which cause issues in adults are peanuts, tree-nuts, shellfish, and fish, but certainly any food allergy can occur at any age.
Dr. Maziar Rezvani
Dr. Maziar Rezvani
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1 comment
David Miller
And let's not forget milk, soy and eggs, to round out the most common food allergies.
Dr. Vivek Huilgol
Internal Medicine - Gastroenterology
In brief: Also
In addition to dr. Rezvani's answer, do consider celiac disease.
In some people the sole symptom - ie the one that they notice - is a rash. The rash has the very unglamorous name of 'dermatitis herpetiformis'.

In brief: Also
In addition to dr. Rezvani's answer, do consider celiac disease.
In some people the sole symptom - ie the one that they notice - is a rash. The rash has the very unglamorous name of 'dermatitis herpetiformis'.
Dr. Vivek Huilgol
Dr. Vivek Huilgol
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