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Doctor insights on: Miralax Bowel Preparation

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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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Can i take magnesium citrate ontop of my miralax (polyethylene glycol) for bowel prep? 1 gallon of miralax (polyethylene glycol) is too much, can i only drink half a gallon?

Can i take magnesium citrate ontop of my miralax (polyethylene glycol) for bowel prep? 1 gallon of miralax (polyethylene glycol) is too much, can i only drink half a gallon?

Just mag citrate: You can have just magnesium citrate. Why are you having bowel prep. Discuss with your physician if mag citrate is a substitute that is satisfactory alternative. Tell him miralax (polyethylene glycol) volume is too much. However though discomfort it is do-able for most people ...Read more

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My daughter is having bowel problems. 3 days miralax (polyethylene glycol) now BM. Is something wrong? She is 3

My daughter is having bowel problems. 3 days miralax (polyethylene glycol) now BM. Is something wrong? She is 3

Constipation : miralax (polyethylene glycol) can take up to a week to work. Make sure your child is drinking plenty of water and not overdoing the dairy products. Fresh fruits and veggies add fiber. Discuss with your pediatrician other dietary guidelines for preventing chronic issues ...Read more

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Can you have a fecal impaction and still have a normal bowel movement once a day (while taking miralax)?

Can you have a fecal impaction and still have a normal bowel movement once a day (while taking miralax)?

No, by definition: If you have a fecal impaction, that means you are not having any bowel movements, because the impaction is in the way. After treatment, the bowel movements should return, and you no longer have an impaction. ...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


Bowel (Definition)

The bowel is the intestinal tract in the body. The small intestine ...Read more