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Doctor insights on: Diarrhea After Colonoscopy

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Is it normal to have diarrhea after colonoscopy?

Is it normal to have diarrhea after colonoscopy?

Yes: There may be a lingering effect from the prep solution, but should stop in a day or two. ...Read more

Dr. Oscar Novick
2,200 Doctors shared insights

Loose Stools (Definition)

Loose stools is a symptom in which a person's stool (poop) does not hold its shape after it goes into the toilet. Instead of remaining a shaped piece of poop, the poop spreads out in the toilet bowl water. Very loose stool is called diarrhea. Loose stool can be caused by infections, certain foods or drinks, ...Read more


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Is it normal to have some diarrhea after a colonoscopy?

Is it normal to have some diarrhea after a colonoscopy?

Yes: Before colonoscopy you have to drink plenty of laxatives to clense your bowel. Therefore, some of the liquid may still be in your colon even after the colonoscopy. ...Read more

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Is it normal to have diarrhea day after colonoscopy. And I would also to know if it is normal to have a bowel movement and pee at the same time. I g?

Is it normal to have diarrhea day after colonoscopy. And I would also to know if it is normal to have a bowel movement and pee at the same time. I g?

Yes: You may have some residual bowel preparation solution. If the diarrhea persists more than one day, it would be prudent to consult your doctor. Bowel movement and urinating at the same time is normal. Drink enough water to stay hydrated.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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Is diarrhea common after a colonoscopy?

Is diarrhea common after a colonoscopy?

Possibly: Before colonscopy you took a prep to clean the colon, so you may be having the residual effects of that. If it persists for more than 1 week call your provider. ...Read more

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Is it normal to continue to have water-y diarrhea all day after a colonoscopy? I threw up several times after both parts of the prep yesterday too.

Is it normal to continue to have water-y diarrhea all day after a colonoscopy? I threw up several times after both parts of the prep yesterday too.

Yes, but: I would still let your doctor know of your symptoms. Often times water is used as irrigation during the procedure, so immediately after you can expect to be expelling the water.

Nevertheless, let your doctor know because they did the procedure and would be only person to know what would be expected in your indivdualized case. ...Read more

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Bad Diarrhea for 5 months colonoscopy came back normal?

Bad Diarrhea for 5 months colonoscopy came back normal?

The work-up for: Chronic diarrhea can be complex. Key factors are is it watery, bloody, fatty appearing. The colonoscopy is most important if it is bloody to evaluate for inflammatory bowel disease, cancer and hemorrhoids! If watery, need blood tests/stool cultures to exclude infection and gluten sensitivity. Further helpful tests include fecal leukocytes, electrolytes and fat measurement. You need more work-up. ...Read more

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How can I get diarrhea to stop one day after colonoscopy?

It must have by now: Otherwise send us an update of this problem now, so that we can deal with the present situation. ...Read more

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When after a colonoscopy does a person normally have diarrhea?

When after a colonoscopy does a person normally have diarrhea?

After a colonoscopy: Your colon is empty so it may take 24 48 hours of eating a regular diet before your stools normalize. Much longer than that and you need to report this to your endoscopist. ...Read more

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What causes uncontrollable diarrhea when a colonoscopy is clear?

What causes uncontrollable diarrhea when a colonoscopy is clear?

Irritable Bowel Syn.: Many things can cause uncontrollable diarrhea. A common cause is ibs. Ibs causes dysfunctional GI problems, ex diarrhea, constipation or both. Cause is unknown but may be stress, certain foods, etc. But there is nothing visibly wrong with your GI tract, so colonoscopy is clear. Another cause could be celiacs --gluten allergy that affects the small intestine, (not seen on a colonoscopy) or infecti. ...Read more

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Today I had bloody maroon colored diarrhea. Recently had a colonoscopy that found nothing. Should I be concerned?

Source could be: Higher up such as small bowel or stomach. Talk to your GI doctor as u may need an egd and if that's negative a small bowel capsule study. ...Read more

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Is it normal to have diarrhea bouts every few days after a colonoscopy? Had onecdone a week ago today, Please advise.

Is it normal to have diarrhea bouts every few days after a colonoscopy? Had onecdone a week ago today, Please advise.

Post colonoscopy: Changes in bowel habits have been known to occur after the colon cleansing and the colonoscopy itself but bowel function usually normalizes after a few weeks. If not consult your gastroenterologist who may order stool cultures, probiotics and recommend dietary changes. ...Read more

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Is it normal to have the urge to push really hard when having diarrhea? That seems to be my problem, colonoscopy done last yr was good! Doineedanother

No: If you have urgency and diarrhea, you might have an infection. It is not normal to have diarrhea or an urgency to push. You don't need another colonoscopy you need a stool test to make sure you don't have an infection.
They should look for bacteria and parasites. ...Read more

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How long after a colonoscopy prep is finished does diarrhea last?

Depends on the prep: Frequently, I use Dulcolax to speed up GI transit and reduce the amount of time. Usually I tell patients to alot at least 3 hours after they finish the prep to have diarrhea. ...Read more

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I had a colonoscopy done 3 years ago. Nothing showed up. Recently I been having persistent diarrhea after I eat. Do I need another? I am 27.

See GI Doc: And get your stools tested to see if there's inflammation. Its not clear why you had a colonoscopy 3 years ago - perhaps you were having similar issues then. If so, were biopsies done and normal? You may need to focus on your diet and see if you have lactose or gluten intolerance. Google low-FODMAP diet for more info to help track potential food triggers. ...Read more

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I had a colonoscopy yesterday. The diarrhea has not stopped since taking the MoviPrep the day before the procedure. Can I now take an anti diarrheal? Is there anything else I can do? Thanks!

I had a colonoscopy yesterday. The diarrhea has not stopped since taking the MoviPrep the day before the procedure. Can I now take an anti diarrheal? Is there anything else I can do? Thanks!

Yes, yet patience +: Gentle, watch response almost certainly the wisest option. Quick "fixes" are widely marketed and make lots of money for those selling them. Yet that does not mean that using them, in most cases, is wise or accurate thinking, other than having less money to spend on other issues, hopefully of more value. ...Read more

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What should I do to prepare for colonoscopy because of bloody diarrhea?

What should I do to prepare for colonoscopy because of bloody diarrhea?

You will get instruc: You will get instructions. You need to be on medications that do not cause bleeding like aspirin, anti-inflammatory medications, fish oil to name a few. Your gastroenterologist and the staff well advise you but make sure you tell them all the medications you are on ...Read more

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I just had a colonoscopy today & I am still having diarrhea. Is it ok to take some anti-diarrhea medicine?

Generally, no: Anti-diarrheal medication is generally not recommended after colonoscopy. Discuss with your doctor if you continue to have loose stools for >72hrs. It also depends on your diagnosis, and reason for colonoscopy. See your physician. ...Read more

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Is it normal to continue having foul smelling diarrhea 1.5 days after an endoscopy & colonoscopy? Also mixed in with slimy blood?

Is it normal to continue having foul smelling diarrhea 1.5 days after an endoscopy & colonoscopy? Also mixed in with slimy blood?

Notify physician: Bleeding after colonoscopy is atypical and could account for the foul smell. Let the physician know what you are experiencing in case blood loss is a concern (depends on what was seen during the procedure, if polyp was removed, etc). ...Read more

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It's been over two months since I had a colonoscopy. Since then my bowls have not returned to normal. Severe cramps and I go until I have diarrhea.

Post-colonoscopy: You really need to go back and see the physician who performed the procedure and have them evaluate you. Do this soon. First make a detailed list of your symptoms and the times they occur and take it with you. Good luck. ...Read more

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Can't eat ANYTHING anymore without getting distended. Very painful. 4 months of chronic diarrhea, now this. Colonoscopy showed "inflammation" help! ?

Can't eat ANYTHING anymore without getting distended. Very painful. 4 months of chronic diarrhea, now this. Colonoscopy showed "inflammation" help! ?

Not enough info: inflammation is very vague. There are different types. Did they say if there is infection that causing diarrhea or inflammatory bowel disease. You may also want to change your diet. High fiber work better for diarrhea, but inflammation disorders need medical tx ...Read more

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Normal colonoscopy 2yrs ago. Now getting bouts of diarrhea (not common for me) every week lately. Can I for ibd in that time? Is this the test to use?

Normal colonoscopy 2yrs ago. Now getting bouts of diarrhea (not common for me) every week lately. Can I for ibd in that time? Is this the test to use?

See a GI doctor: You need to be reevaluated. There are so very many causes for diarrhea that it is difficult to give you a definitive answer. Your stool specimens will need exams after a thorough history, physical exam and possibly some imaging studies. Go and get seen. Good luck. ...Read more

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Diarrhea with blood and mucus again. Colonoscopy 2 yrs ago was normal. Should I be evaluated again?

F/u with MD. May be: Diarrhea with blood and mucus could be seen in different conditions including infection, inflammation, cancer. go to see your MD and get checked. The fact that you have a normal colonoscopy 2 years ago- is encouraging. However, if your symptoms continue- a repeat colonoscopy should be considered. Discuss with your MD. ...Read more

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Husband had colonoscopy 7 days ago...Polyps removed. Lot of diarrhea and bright red blood for past 2 days. Normal?

Husband had colonoscopy 7 days ago...Polyps removed. Lot of diarrhea and bright red blood for past 2 days. Normal?

See below: Could be irritation at the site where the polyps were removed. Contact the doctor who performed the procedure if this does not stop. ...Read more

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No matter what I eat or do, yes I've had a colonoscopy found nothing, said maybe ibs. I always suffer severe morning diarrhea! Why?

No matter what I eat or do, yes I've had a colonoscopy found nothing, said maybe ibs. I always suffer severe morning diarrhea! Why?

MORE FIBER: I'm not sure why you're having diarrhea, and it can be serious so you should get it checked out. But in the short term, a fiber supplement, such as fiber-con, metamucil, benefiber, or citrucel (or their store brand equivalents) can make a big difference. It looks like you need to take them just before bedtime, and it's ok to take a double dose. ...Read more

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I have lupus &recently recent worsening of watery diarrhea daily. Normal colonoscopy. What causes this with lupus? Another flare possibly?

See a GI doctor: If you have already had a colonoscopy this should have been preceeded by an analysis of the stools, with exam and testing for different organisms which may be causing the diarrhea. If these were not done, go back and be seen by a GI doctor. ...Read more

Dr. Charles Cattano
2,047 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


Dr. Oscar Novick
3,361 Doctors shared insights

Diarrhea (Definition)

Diarrhea = increased frequency of stools which ...Read more