A 46-year-old member asked:
how long does flatulence last after colonoscopy?
1 doctor answer • 3 doctors weighed in
Medical Oncology 22 years experience
ABOUT A FEW HOURS: Most likely is from the air used to insufflate the colon to help visualize the walls. Most of the air is suctioned out as the scope is being withdrawn. Some air remains so its normal to expel it afterwards.
Last updated Apr 25, 2018
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