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Rockville, MD
A 40-year-old female asked:

Is peanut an allergy that is likely to show up for the first time in adulthood, or childhood? if not allergic by 40 are u probably in the clear?

1 doctor answer2 doctors weighed in
Dr. John Chiu
Allergy and Immunology 59 years experience
No: Although most cases develop in childhood, it can develop at any age.
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