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Doctor insights on: Bowel Prep For Colonoscopy Miralax

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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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Doing bowel prep for colonoscopy/ged tomorrow. Only 24oz left to drink and bowel liquid isn't clear yet? Will this be a problem?

Doing bowel prep for colonoscopy/ged tomorrow. Only 24oz left to drink and bowel liquid isn't clear yet? Will this be a problem?

Keep drinking: Finish all liquid, and you will probably be ok. As long as the liquid is watery and without solids you should be ok. ...Read more

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What is the best flavor of that drink for the bowel prep for colonoscopy?

Your choice: Colon lavage preps are designed to "wash through" the gut without being absorbed. As such, flavors used are restricted to sugar-free products (sugar promotes water absorption), & should avoid colors that stain the gut (red-colored preps are particularly troublesome when searching for bleeding sites). Commercial flavor choices: cherry, orange, wild berry, lemon-lime, pineapple, or no flavor added. ...Read more

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There is a bowel prep for colonoscopy called Prepopik. Dosage is only two 5 oz. glasses and drinking lots of water. Is this a safe & effective prep?

There is a bowel prep for colonoscopy called Prepopik.  Dosage is only two 5 oz. glasses and drinking lots of water. Is this a safe & effective prep?

Prepopik: is relatively NEW but is approved by FDA for colonoscopy prep in adults HOWEVER COLONOSCOPISTS (Doctors who do the tests ) HAVE THEIR OWN PREFERENCES FOR WHICH PREP IS USED! Thus ASK that Health care Provider if Prepopik is OK! Good Luck! Dr Z ...Read more

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How safe if bowel prep for colonoscopy in patients with heart disease and severe electrolyte abnormalities? Are any of them safe?

How safe if bowel prep for colonoscopy in patients with heart disease and severe electrolyte abnormalities? Are any of them safe?

Here are some...: Colonoscopy can usually & safely be done under brief IV sedation, but can be deferred until severe electrolyte imbalance+heart disease are optimally corrected because colonoscopy oftentimes is non-urgent and even optional esp. at the time with serious ongoing medical issues. So, ask the treating doc so to understand the balance between medical necessity & professional possibility before proceeding ...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

Dr. Charles Cattano
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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