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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.

Dr Singh agreed

Answered 2/21/2020

6k views

Thank

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

Thank

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