A member asked:

What is the radiation risk of a barium swallow? i had one 4 days ago and now i have nausea and a headache. any correlation?

2 doctors weighed in across 2 answers

Not enough: X-irradiation from the procedure to give the symptoms. No correlation.

Answered 11/15/2012

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1/4000; not related: The exposure on a routine barium esophagram is less than 6 mSv. The estimated increase in cancer is 1/4000 or less. Radiation will not cause any symptoms until is about 100x what you received.

Answered 1/29/2018

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