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I hope this information is helpful for WLS patients who need to have a colonoscopy.

I have one scheduled for Wednesday. After telling my gastroenterologist that I had WLS and have significant nausea problems, he prescribed Suprep for my colon prep. With Suprep, you have to drink 4L of Water, preferably in one hour. I know I won't be able to do this, so I searched online and found medical articles that said bariatric patients can take longer to drink the 4L since their stomachs are so small. https://consultqd.clevelandclinic.org/which-bowel-preparation-should-be-used-for-colonoscopy-in-patients-who-have-had-bariatric-surgery/ . But the article stated that the authors prescribed a 2L alternative, Moviprep, for bariatric patients because it is much more easily tolerated.

What upsets me is that I didn't find out about this until after I had purchased the Suprep. To even make matters worse, I found an article from the American Journal of Gastroenterology showing that of the three most common preps -- Miralax, Moviprep, and Suprep, "Miralax was successful in 87%, compared to 74% for Moviprep and 69% for Suprep" in adenoma detection rates. https://journals.lww.com/ajg/fulltext/2013/10001/comparing_miralax__versus_moviprep_versus_suprep.548.aspx

So I am really frustrated and upset right now. Not only will I have to drink double the Fluid amount that I could have, had my gastroenterologist prescribed with consideration to my WLS, but I have to take the prep that has the lowest rate of adenoma detection.

Edited by Prestonandme

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I scheduled my last colonoscopy in the afternoon, because I know with those, they have you drink half the Fluid the night before and the other half in the morning. Figured that would be do-able, and it was. So if they insist you drink that ton of fluid again next time, schedule an afternoon appointment so you don't have to drink it all at once. Then it'll work...

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