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A member asked:
How to tell if someone is excessively sensitive to caffeine? any blood test or anything like that?
2 doctors weighed in across 2 answers
Challenge test: Other than watching to see what happens after you drink caffeine, no blood or other testing is available.
Answered 2/21/2020
6k views
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Trial and error: There is no blood test. You may try a small amount of caffeine containing drink and see how you feel.
Answered 12/31/2018
232 views
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