3 doctors weighed in:

How long after a colonoscopy prep is finished does diarrhea last?

3 doctors weighed in
Dr. Jeffrey Crespin
Internal Medicine - Gastroenterology
2 doctors agree

In brief: Depends on the prep

Frequently, I use dulcolax to speed up GI transit and reduce the amount of time.
Usually i tell patients to alot at least 3 hours after they finish the prep to have diarrhea.

In brief: Depends on the prep

Frequently, I use dulcolax to speed up GI transit and reduce the amount of time.
Usually i tell patients to alot at least 3 hours after they finish the prep to have diarrhea.
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