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Doctor insights on: Colonoscopy Laxative Solution Eat

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Dr. Charles Cattano
2,024 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


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When will the laxatives for my colonoscopy preparation start working?

When will the laxatives for my colonoscopy preparation start working?

Depends : On which preparation you were give by your doctor. Some are very fast as in 30-60 minutes, others take longer, check with your doctor who ordered the prep. ...Read more

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Colonoscopy 13 days ago. 1 bm after laxatives . Is this normal? What to do next.

Colonoscopy 13 days ago. 1 bm after laxatives . Is this normal? What to do next.

Normal: This is likely due top the fact that you had a good bowel prep. I do not know your eating habits, but likely you have constipation. Try drinking more weather and eating 30-40 grams of fiber a day. If this continues consider getting a loon motility study. Talks to your doctor about it ...Read more

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Should the laxatives be taken one day before colonoscopy or on the same day a few hours before the start of the procedure ?

Should the laxatives be taken one day before colonoscopy or on the same day a few hours before the start of the procedure ?

24 Hour Prep: Your GI specialist is supposed to provide you a sheet with instructions to clean your bowel. You need to avoid any solid foods for 24 hours before the procedure. During this time you need to take laxatives till your bowel movements are entirely liquid and free of any residual fecal matter. Drink plenty of liquids during this time, to avoid dehydration. Good luck!. ...Read more

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In leaflet coming with a PEG laxative it say that if you have colonoscopy in evening you can start drinking it in morning, 6 hour before colonoscopy?

In leaflet coming with a PEG laxative it say that if you have colonoscopy in evening you can start drinking it in morning, 6 hour before colonoscopy?

The direction: for preparation for this study differs a bit from Endoscopist to Endoscopist (the GI Doctors who do the testing) FOLLOW His/Her Instructions (Call their office !) HOWEVER the instructions which accompany the preparation materials /medications are usually RELIABLE and this sounds reasonable! Hope this helps ....Dr Z ...Read more

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I have to take moviprep laxative for colonoscopy, do I add water and then add powder? Or do I add powder to glass and then water ? Or is either way ok

I have to take moviprep laxative for colonoscopy, do I add water and then add powder? Or do I add powder to glass and then water ? Or is either way ok

Ask Dr.: firstly, ask the doctor who prescribed the preparation or the nurse. Secondly, I am quite sure they must have provided you with written directions... ...Read more

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I'm constantly bloated. went to my gastro..she suggested, colonoscopy, said, was up to me. Not NEEDED, she said to try laxatives when needed. Thoughts?

I'm constantly bloated. went to my gastro..she suggested, colonoscopy, said, was up to me. Not NEEDED, she said to try laxatives when needed. Thoughts?

Possibilities: It could be irritable bowel syndrome (try bentyl) or bacterial overgrowth (consider a course of antibiotics). If you have had pancreatic surgery or drank alcohol excessively before, you pancreas may not be producing enzymes properly (try creon with meals).. Check with your doctor for detail.. ...Read more

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I've been entirely emptied out in order for the colonoscopy to work. so how will he see my colon if I can't even be emptied out by the colonoscopy laxative?

You may need more: you may need more laxatives to liquify your stool. if you don't have bowel movements with the laxative, it is unlikely your gastroenterologist will be able to do a good exam ...Read more

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Can the laxative prep for colonoscopy cause gall bladder attacks?

Can the laxative prep for colonoscopy cause gall bladder attacks?

It may: Potentially it could. More likely, though, it may cause colonic spasms, which in the right place could be difficult to tell from gall bladder attack ...Read more

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Two days fasting / preparing before colonoscopy/endoscopy and now three days constipated. What should I do? Should i take laxative?

Two days fasting / preparing  before colonoscopy/endoscopy and now three days constipated. What  should I do? Should i take laxative?

Not sure: Your colon was likely cleaned out completely for the procedure. Not going to the bathroom is not really constipation as its defined by hard bowel movement with lots of straining involved. Unless you have abd pain or distention i wouldnt be too worried about it. Try some prune juice and if that doesnt help you can try over the counter miralax (polyethylene glycol). If you have hist of constip start taking a stool softe. ...Read more

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Colonoscopy prep did not work . Drank 64 ounces and took four laxatives . Did not use the bathroom once . What should I do ? I need this test done

Reschedule Colonosco: Without a good bowel preparation, colonoscopy will not give enough information. Speak to the doctor doing the colonoscopy and see if this should be deferred ...Read more

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I just had a colonoscopy this morning and they found melanosis coli. I look up =abusive use with laxatives.I do not use laxatives. What else causes?

I just had a colonoscopy this morning and they found melanosis coli.  I look up =abusive use with laxatives.I do not use laxatives. What else causes?

Melanosis coli: If the diagnosis is correct is caused by cascara segrada an ingredient in many over the counter laxatives, softeners and herbal remedies. It causes deposits of pigment in the mucosal cells giving a black or leopard skin appearance to the colon lining instead of the natural pink appearance, it does not pose any medical risk but it does make diagnosis of colon pathology somewhat difficult. ...Read more

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It is 20 hours before my colonoscopy and I still have two rounds of laxative prep to do. Will it hurt me to have a bowl of ice cream or a candy bar?

It is 20 hours before my colonoscopy and I still have two rounds of laxative prep to do. Will it hurt me to have a bowl of ice cream or a candy bar?

Follow your MD's: instructions , may not hurt bit if bowel is not prepped well procedure will be cancelled and you have to repeat. Best thing speak to your doctor . ...Read more

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Doing colonoscopy prep. On second laxative and all that comes out is a bit of yellowish solid that falls to the bottom of the toilet. Was liquid before. What is it?

Doing colonoscopy prep.  On second laxative and all that comes out is a bit of yellowish solid that falls to the bottom of the toilet.  Was liquid before.  What is it?

Stool: It must have been some of your stool which finally migrated all the way down to your anus and out of your body. Your gastroenterologist appreciates that in that he will be able to have a clear view of your entire colon because you did such a good bowel prep and he will not have to clean you out from the rear end, so to speak. ...Read more

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Testing for colon cancer? Are there any tests besides the colonoscopy? I really don’t want to have to use those colon cleaning laxatives. I had to once before and felt really sick from them. Isn’t there another test?

Testing for colon cancer? Are there any tests besides the colonoscopy? I really don’t want to have to use those colon cleaning laxatives. I had to once before and felt really sick from them. Isn’t there another test?

There : There are actually two separate questions here. The first is whether there area alternative tests besides colonoscopy. There are other tests; but each one has limits. Testing stool for blood can identify cancers; but is not a good preventative test. The real goal is to find polyps before they become malignant. Work is underway on tests that try to analyze dna found in stool to look for markers of abnormal growths. It is an exciting area; but the current tests are not accurate enough and far too expensive. The alternative to colonoscopy that is designed to find polyps without insertion of a colonoscope is ct colography or "virtual colonoscopy". However, it also requires a preparation; and is both more uncomfortable and less accurate than the colonoscopy. The second question you asked deals with the preparation itself. Talk to your physician. There are several newer preparations that entail much smaller volumes of preparation liquid over longer times than we used to use in the past. Most people find it easy and very tolerable. I know i did for my exams. ...Read more

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Can I prep for a colonoscopy with a salt water flush instead of the doctor recommended laxatives?

Can I prep for a colonoscopy with a salt water flush instead of the doctor recommended laxatives?

Standard prep: Study is only as good as preparation. It's important the colon be as clean as possible so as not to hide small lesions or vascular malformations. Each endoscopist has his favored prep. Saline enema would be inadequate. ...Read more

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Hi, I have abused laxatives. (stimulant type). Will my doc know from a colonoscopy? Does this abuse cause Crohn's disease or result in stoma.

Hi, I have abused laxatives. (stimulant type). Will my doc know from a colonoscopy? Does this abuse cause Crohn's disease or result in stoma.

Usually not: by a colonoscopy we usually can't tell if you take too much laxatives, however in some people the colon becomes "black" from longterm laxative use (melanosis), but this is benign without clinical significance. abuse of laxatives does not cause Crohn's ...Read more

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Been on one day of liquids for colonoscopy, starting second day. Haven't taken laxatives yet but noticed last formed stool was green. Why might this be? Should I inform doctor/emergency? Deeper green color.

Been on one day of liquids for colonoscopy, starting second day.  Haven't taken laxatives yet but noticed last formed stool was green.  Why might this be? Should I inform doctor/emergency?  Deeper green color.

Not concerning.: Stool color can vary because of a lot of factors, most notably diet. It is generally not a concern unless the store is bloody or solid black in color, due to bleeding, and will eventually return to normal. Green stool is not usually a concern. Be sure to drink all of your prep. Good luck. ...Read more

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Dr. Milroy Samuel
611 doctors shared insights

Laxative (Definition)

Laxatives are a ...Read more