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Doctor insights on: Colonoscopy Test Preparation

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What is the typical preparation for a colonoscopy?

What is the typical preparation for a colonoscopy?

Liquids and laxative: On the before the colonoscopy, you will be on a liquid diet all day and either drink an electrolyte solution or take a series of tablets-both of which will induce diarrhea. The prep usually takes 3 to 4 hours to run its course. ...Read more

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Dr. Charles Cattano
1,988 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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What should I do in preparation for a colonoscopy?

What should I do in preparation for a colonoscopy?

Do a bowel prep: Stay on a clear liquid the day befor the colonoscopy. Your endoscopist should give you a prep sheet outlining the kind of laxative you should use to cleanse your colo. ...Read more

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Is there any preparation necessary before the colonoscopy?

Yes: There are many variations of "the prep", but in general you will need to restrict your diet to clear liquids the day before the procedure, and drink a prescribed preparation to wash out your colon the evening before and possibly the morning of the procedure. There may be other instructions for the avoidance of certain foods (seeds) for a few days in advance. ...Read more

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Any suggestions for getting through my preparations for a colonoscopy?

Several Tips: Don't drink your prep too fast. You are more likely to get nausea and vomiting if you chug too fast. Also, don't chill your prep too much. Really cold liquids slow down gastric emptying. Also, the closer you take the prep to the time of colonoscopy, the cleaner your prep will be. ...Read more

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What are some ways to stave off hunger the day before a colonoscopy (during preparation)?

What are some ways to stave off hunger the day before a colonoscopy (during preparation)?

You can have clear: Liquids the day before unless advised otherwise. I tell my pts to drink a lot of fluids with the prep to keep flushing the colon. You can also have broth chick/beef and jello (avoid red). Solid food is not allowed. Its worth controlling your hunger for one day than to have to repeat the procedure if not adequately prepped. ...Read more

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So why does there seem to be more fuss about colonoscopies vs upper? Is it more to do with the preparation required and the chance of incomplete exam?

Colonoscopy.: Not sure what you mean by "fuss," but it is true that preparing your colon for a colonoscopy is more difficult than just not eating after midnight to prepare for an upper endoscopy. However, if you take the preparation properly, more than 90% of colonoscopies are completed without difficulty. Just follow the instructions that your doctor gives you and it should go well. Good luck. ...Read more

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Is the preparation for a colonoscopy really uncomfortable?

Depends: I find that several preps suprep, MiraLAX (polyethylene glycol) snapple prep are fairly tolerable. The traditional 4 liters of GoLytely was very difficult to take and did not taste that great. Some patients still use it today, but there are much easier, better preps. ...Read more

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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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Got hemorrhoid because of preparation I was doing for colonoscopy. Can I still have colonoscopy?

Yes: prepping for colonoscopy often causes a hemorrhoidal flair. This will cool down, use some OTC suppositories, and all will be well ...Read more

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How long will it take to heal by itself for hemorrhoid I got because of preparation for colonoscopy?

How long will it take to heal by itself  for hemorrhoid I got because of preparation for colonoscopy?

Depends how bad ?: Procedure related hemorrhoidal problem usually will resolve in few days to a week . Eat high fibre diet , take stool softeners , and plenty of fluids with local care for faster relief . Speak to your doctor also. ...Read more

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