1 doctor weighed in:

How long does pineapple allergy rash last?

1 doctor weighed in
Dr. Joseph Eastern
Dermatology

In brief: Few hours

If the rash (usually hives) doesn't resolve within a few hours of staying away from pineapples, it probably has another cause.

In brief: Few hours

If the rash (usually hives) doesn't resolve within a few hours of staying away from pineapples, it probably has another cause.
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