Allergic to shrimp or not?

I have always liked shrimp and habitually ate it while i was younger. one day i developed an allergic reaction that give me purple ''spots'' all over my face. i stopped eating shrimp for a couple of years until just now. i have eaten a few times now and don't appear to have any problems, i was wondering if it was a one time item or if there's a chance it'll come back?
Answers:
There could be a chance that in that was something else in the shrimp dish that made you react the first time.

gs loose change with age. when I was a little kid could play contained by the woods and forrest. when I hit 20 got poision ivy all over my body. If I can within inches of it get the rash.
so these things happen.

phisology changes.


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