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A 24-year-old male asked:

Colon scope prep. drink miralax (polyethylene glycol). how long will i have diaherra for? all day. or will it hit me then stop?

1 doctor answer1 doctor weighed in
Dr. Richard Williams
Pharmacy 20 years experience
Not long: The effects of bowel evacuation agents like MiraLAX (polyethylene glycol) are generally quick and short term. Your diarrhea should not last too long, a few hours at most.
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Last updated Apr 2, 2018


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