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Doctor insights on: Foods To Avoid Before Colonoscopy

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I am having a colonoscopy/endoscopy. Can I consume any type of protein shake/powder or solid food on Mon., my papers just say to avoid food after 4pm?

I am having a colonoscopy/endoscopy. Can I consume any type of protein shake/powder or solid food on Mon., my papers just say to avoid food after 4pm?

No only liquid: You are supposed to be on liquid diet for two days prior while getting the prep to clean your colon and flush it from everything so it will be super clean during colonoscopy only water and juices and jello not even milk allowed. No milk shake or smoothies no solid food, you are getting very poor instructions and bad preparation for an important test any doubt call your doctor ...Read more

Dr. Charles Cattano
2,028 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 foods can I eat the day before my colonoscopy?

What foods can I eat the day before my colonoscopy?

Follow the instructi: Your doctor's office should give you instructions to follow in order to have a good prep. Otherwise your test will be cancelled as the preparation is rigorous and lasts 2-3 days of no solids and using laxatives to clean up your intestines completely. ...Read more

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Which types of food can I eat 2 days before the colonoscopy?

Which types of food can I eat 2 days before the colonoscopy?

Anything, generally: Depending on your doctor's preparation, you can often eat a regular diet until the day before your colonoscopy. A light breakfast the day before, and clear liquids all day before your procedure is generally adequate. Remember though, anything you put in your face before your scope, will have to come out with the prep! ...Read more

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How long to do you have to not eat food when having a colonoscopy?

Colonoscopy Prep: The prep for a colonoscopy might differ from doctor to doctor, but generally speaking most will advise that the patient eat no solid food while the preparation of the bowel is in progress. Clear fluids, however, are permitted. These include apple or cranberry juice, ginger ale, jello and clear broth. ...Read more

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What kind of food can I eat the day before my colonoscopy procedure?

What kind of food can I eat the day before my colonoscopy procedure?

Liquids: No solid or soft foods ar allowed on the day of the prep. Any liquid that you can see through (clear liquids) is allowed--tea, black coffee, water, juces without pulp, broths, popsicles, hard candy (ie, jolly ranchers). Avoid any red colored fluids as they may give the tissue a bloody appearance and can be confusing. ...Read more

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Exactly what foods can I have before my colonoscopy which is in seven days.

Exactly what foods can I have before my colonoscopy which is in seven days.

Clear liquids: Are recommended for the colonoscopy prep in order to optimize visualization. Clear liquids are: water (plain/carbonated/flavored); fruit juice without pulp; fruit-flavored bevs; soda; sports drinks; gelatin; tea/coffee (no milk/cream); clear, fat-free bouillon; hard candy; ice pops. Following the prep instructions exactly gives you the best chance of having the most accurate examination. Good wishes ...Read more

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I have a colonoscopy tomorrow and have done all the prep. However, I can see food bits in the toilet and it's a cloudy brown. Okay to have procedure?

I have a colonoscopy tomorrow and have done all the prep. However, I can see food bits in the toilet and it's a cloudy brown. Okay to have procedure?

Probably: Make sure you drank all the proper fluids, you will be releasing waste for hours to come so its likely the colon will be clean by the time of the procedure ...Read more

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I'm fine w/having a colonoscopy, but highly motivated to avoid any sedation. I am female. Is this a realistic goal?

Talk to your doc: Cscope can be uncomfortable-lots of loops, twists and turns in 5'-6' of bowel. Most pts and mds prefer a relaxed, comfortable patient: relaxes the bowel, makes for an easier procedure. Need not be "knocked out", just comfortable. Rare patient asks for cold sober procedure; most don't repeat it that way. Would have IV access anyway, in case you want or need meds or fluids. ...Read more

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Should one take electrolytes during preperation and on the day of colonoscopy to avoid dehydration?

Should one take electrolytes during preperation and on the day of colonoscopy to avoid dehydration?

Not necessarily...: In a healthy person without any electrolyte abnormalities prior to the colonoscopy preparation, which is usually only the day prior to the procedure, drinking adequate water should be enough to prevent dehydration and adding electrolytes is usually unnecessary... again assuming the pre-procedure electrolytes are normal. ...Read more

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Scheduled colonoscopy today, but I'm still passing brown fluid and some debris. Followed all instructions, 40 hrs no food, will they reschedule?

Scheduled colonoscopy today, but I'm still passing brown fluid and some debris. Followed all instructions, 40 hrs no food, will they reschedule?

Probably OK.: As long as what you're passing is a liquid, it will probably be OK to proceed with the procedure. If it is not too late, you may want to call the gastroenterologist's office to see if they want you to take anything additional to the laxative prescribed. If you can't reach them though, continue to follow the instructions and proceed as planned. Good luck. ...Read more

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Not digest food, abdominal pain, depression, and I have a colonoscopy?

Not digest food, abdominal pain, depression, and I have a colonoscopy?

Could you rephrase?: I'm not sure I'm understanding your question very well. Sounds like you've got a colonoscopy scheduled due to problems with digestion and abdominal pain. Can you explain what you mean by "not digest food" as in are you suffering from vomiting, diarrhea, or constipation or a combination of all those things? ...Read more

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I'm having a colonoscopy on October 14th. It says to not take iron for 2 weeks. Does that mean supplements or the food I eat?

I'm having a colonoscopy on October 14th. It says to not take iron for 2 weeks. Does that mean supplements or the food I eat?

Supplements.: Iron supplements can cause your stool to be black, thick and difficult to clear. This could cause the doc to miss something or even worse to have to abort and reschedule your procedure! You wouldn't want that. ...Read more

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My dad has cold l, I have endoscopy/colonoscopy in 2 weeks, I can't reschedule it's urgent. How can I avoid getting cold until then?

Cold: Best way to avoid cold is to avoid using same hand towels and glasses as person who is ill. Also get plenty of fluids and rest. Others you may be exposed to and not know it that they may be ill. Therefore, avoid people who are outwardly ill. ...Read more

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Have colonoscopy nxt fri. Due to pain when I eat, no food in few days. What effect will mag. Nit. Prep have on me after no food only liq.4 many days.?

Risk of colon preps: You are appropriately concerned about risks of colon preps. Regardless of type (lavage & osmotic agents, irritant laxatives, enemas) consideration should be given to: age, size, co-morbidlities, nutritional & hydration debilities, mobility, & help at home. Up to 50% may have nausea, vomiting, fullness/bloating, anal irritation. Greater risks result from fluid & electrolyte imbalance. Talk w/doctor. ...Read more

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I'm having a colonoscopy thursday at 1 pm I cant eat my dr office said to take my metoprololo will it make me sick without food I can drink liquids?

I'm having a colonoscopy thursday at 1 pm I cant eat my dr office said to take my metoprololo will it make me sick without food I can drink liquids?

Bowel prep: Bowel preparation for colonoscopy usually involves a liquid diet the day before. Call the doctors office that is doing the colonoscopy to find out about what you can and cannot drink. They will set you right. Hope this helps! ...Read more

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My husband has constantly itchy, burning anus. Not a lot of spicy foods. He is 61 years old and has never has colonoscopy. What could be the cause?

My husband has constantly itchy, burning anus. Not a lot of spicy foods. He is 61 years old and has never has colonoscopy. What could be the cause?

Depens (penicillamine): Some times perianal itching has an underlying cause such as hemorrhoids, fissure, fistulars, certain skin conditions. Many times there is no obvious cause. Itching in and of itself is not an indication for a colonoscopy but being over 50 is. ...Read more

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Can the camera pill detect ulcerative colitis? I want to avoid doing a traditional colonoscopy.

Can the camera pill detect ulcerative colitis? I want to avoid doing a traditional colonoscopy.

Well yes, but...: Finding that your colon is inflamed by capsule endoscopy does not MAKE a diagnosis of ulcerative colitis. The distribution of colitis, biopsy findings, IBD markers, as well as ruling out infection & ischemia are all important parts of the diagnosis. If you have UC you will likely need repeated colonoscopy surveillance with histology. Get a GI doctor who hears & can address your expressed concerns. ...Read more