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Doctor insights on: Miralax Bowel Prep Colonoscopy

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I have a colonoscopy tomorrow. I took my bowel prep of about an hour ago. In how much time will it start working? Will a gatorade/miralax mix not work?

I have a colonoscopy tomorrow. I took my bowel prep of about an hour ago. In how much time will it start working? Will a gatorade/miralax mix not work?

May not work: A gatorade and MiraLAX combination is not a common bowel prep in my experience. Miralax is an excellent laxative but if only one dose is taken, it is not likely to clean the colon out as well as is optimal for colonoscopy. A single dose might not produce a bm for a day or 2. Gatorade is an electrolyte-rich drink but not likely as effective as GoLytely or other polyethylene glycol solutions. ...Read more

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Intestine (Definition)

The gastrointestinal tract starts at the mouth, travel down the tunnel (esophagus), which connects to the stomach, which then empties into the duodenum, jejunum, and ileum---the three parts of the small intestine (@25 feet). This empties into the colon or large intestine (about 5 feet), which then becomes the sigmoid colon, rectum and out the anus. So, every morsel eaten ...Read more


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I had an endoscope and colonoscopy 2 days ago and still have not had bowel movement. Should i take miralax (polyethylene glycol). I had 3 polyps removed.

Should be OK: As long as you are not having a lot of abdominal pain nor rectal bleeding, it should be ok. Everyone's intestinal transit time is different. If you are concerned about not going, the MiraLAX (polyethylene glycol) should be ok. ...Read more

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What kind of bowel prep is done for a colonoscopy?

What kind of bowel prep is done for a colonoscopy?

Liquid : Usually a powder mixed in liquid like GoLytely or miralax, (polyethylene glycol) sometimes with tablets added like dulcolax. The amount of liquid is substantial, like 48oz. ...Read more

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I vomited stuff for bowel prep and colonoscopy in 7 hours. Is that okay?

I vomited stuff for bowel prep and colonoscopy in 7 hours. Is that okay?

Probably: not a good thing. call your endoscopist and notify them as they may decide to cancel or suggest another prep to try to salvage the procedure. ...Read more

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Can the virtual colonography/colonoscopy be done withOUT the bowel prep?

Can the virtual colonography/colonoscopy be done withOUT the bowel prep?

No: Virtual colonoscopy requires the same preparation as conventional procedure. Consult this site for more information on this topic. http://www.webmd.com/digestive-disorders/tc/virtual-colonoscopy-topic-overview ...Read more

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Is it absolutely essential that I drink all of the bowel prep before I have a colonoscopy?

Is it absolutely essential that I drink all of the bowel prep before I have a colonoscopy?

Yes: Yes so that your colon is clean enough. If you choose not to, the endoscopist may not be able to see everything' could potentially miss a lesion, and with an inadequate prep, i usually recommend that i repeat the scope much sooner than if i was comfortable i could see everything well. E.G repeat in 5 yrs instead of 10. ...Read more

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Dr. Charles Cattano
1,990 doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more


Bowel Prep (Definition)

This is the flushing out of intestinal contents, usually before colonoscopy or colonic surgery. A solution which traverses the intestines without being absorbed is taken orally, causing a complete cleansing of solid ...Read more