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A 58-year-old female asked:

Can the urea breath test for h-pylori cause diahrrea. i had to drink a citrus type drink. not sure what it had in it.

1 doctor answer2 doctors weighed in
Dr. Martin Raff
Infectious Disease 57 years experience
Unlikely: For the swallow urea labelled with either radioactive carbon-14 or non-radioactive carbon-13. Subsequently the detection of isotope-labelled carbon dioxide in exhaled breath due to splitting of urea indicates that urease is present in the stomach, and therefore that h. Pylori bacteria are present. This should not produce diarrhea.
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Last updated Jan 1, 2018

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