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Doctor insights on: Miralax Bowel Prep

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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

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 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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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

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I have lazy bowel syndrome, & have to take miralax (polyethylene glycol) daily. Could this affect my ability to get pregnant? Is it safe?

I have lazy bowel syndrome, & have to take miralax (polyethylene glycol) daily. Could this affect my ability to get pregnant? Is it safe?

Should be OK: Miralax (polyethylene glycol) (/peg derivatives) are not absorbed and pull water into the GI tract (--or keep it there--). Should not have impact on reproductive cycle. Many patients, including pediatric ones, use it daily for years without problems. ...Read more

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My bowel movements arent reg.Week or so after each bm.Tried mag citrate&now on miralax/senocot regimen.History:endo. What is wrong & what to do/order?

My bowel movements arent reg.Week or so after each bm.Tried mag citrate&now on  miralax/senocot regimen.History:endo. What is wrong & what to do/order?

Bulk,fluids and exer: Bulk, as in fiber found in fruits, veggies and cereals , adequate fluid , like 64 oz water per day, and exercise like walking 30-45 minutes per day.The stool softeners like senecot require the measures mentioned to work. ...Read more

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Why can't i take miralax (polyethylene glycol) if I have bowel obstruction? Can i take miralax (polyethylene glycol) and glycerin suppositories one day apart?

Why can't i take miralax (polyethylene glycol) if I have bowel obstruction? Can i take miralax (polyethylene glycol) and glycerin suppositories one day apart?

What: If you are currently having bowel obstruction, taking MiraLAX (polyethylene glycol) would be bad, very bad. Think of it like plumbling. If you main drain of the toilet is block, greasing or flushing the toilet is not going to unclogged the blockage for you. If you had a bowel blockage but resolve now then taking MiraLAX (polyethylene glycol) is ok. ...Read more

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I have not had a bm since wednesday as of yesterday had no bowel sounds have taken lactulose and miralax (polyethylene glycol) with no relief I am no nauseous what can I do?

Constipation: If you have the urge to have a bm but can't, try working from below using dulcolax rectal suppository and/or a gentle low enema like fleets. If you have abdominal distension, severe cramps or vomiting, you will have to be examined by your physician who sometimes has to disimpact you by breaking up and removing impacted stool or prescribing a higher enema. ...Read more

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My daughter is 2 and a half and has to take miralax (polyethylene glycol) every day. How many days is safe to go without a bowel movement?

My daughter is 2 and a half and has to take miralax (polyethylene glycol) every day. How many days is safe to go without a bowel movement?

Constipation: Constipation is fairly common in young children. It is usually due to low fiber diet or decreased liquid intake. Miralax (polyethylene glycol) works by drawing water into intestine to bulk up stool. A child on MiraLAX (polyethylene glycol) should have soft stool every 1-2 days. If child remains constipated, please see your pediatrician fir full evaluation. ...Read more

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How long after taking 4 tablets of Dulcolax and miralax (polyethylene glycol) do bowel movements start?

Dulcolax & Miralax (polyethylene glycol): Dulcolax Laxative Tablets usually leads to bowel movement within 6 to 12 hours when taken as directed. Miralax (polyethylene glycol) may produce a bowel movement in one to three days. I can not predict how long it will take if you are mixing doses and medications. ...Read more

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I got my gallbladder removed on wednesday and I have yet to make a bowel movement. I took a dose of miralax (polyethylene glycol) today and still nothing. Normal?

I got my gallbladder removed on wednesday and I have yet to make a bowel movement. I took a dose of miralax (polyethylene glycol) today and still nothing. Normal?

Constipation: This is a common side effect after surgery secondary to pain medication. Miralax (polyethylene glycol) helps but can take a few days. Could try milk of magnesia for quicker results. Contact your surgeon if you have vomiting, worsening pain, or further concerns. ...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