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Doctor insights on: Blood In Stool After Colonoscopy

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Gastro recommended CT and colonscopy for mild abdominal pain/gas. 23 yrs old. If CT scan shows nothing, is colonoscopy necessary? no bloody stools

Gastro recommended CT and colonscopy for mild abdominal pain/gas. 23 yrs old. If CT scan shows nothing, is colonoscopy necessary? no bloody stools

Options available: CT scan of the abdomen may be indicated but not for mild pain alone. If the symptoms are progressive and there is concern for Cancer(unlikely in your age group), then only I would consider doing a CT. Similarly Colonoscopy is not indicated because of pain alone.If there is bowel irregularity or blood in stool Colonoscopy is reasonable to do. In your case I would watch /monitor for 4-6 weeks, then ...Read more

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Dr. K. Mujib Haque
423 doctors shared insights

Gastrointestinal Bleeding (Definition)

A long tube runs from the mouth to the anus. It includes, in order, the mouth, throat, esophagus, stomach, small intestine (duodenum, jejunum, ileus), caecum, the ascending, transverse, descending, and sigmoid colon (or large intestine) and the rectum. The space inside that tube , the lumen, is considered to be outside of the body. When we bleed into that space ...Read more


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Is it normal to have blood in stool after colonoscopy?

Is it normal to have blood in stool after colonoscopy?

Sometimes: During a colonoscopy, your surgeon or gastroenterologist may have taken biospies or removed polyps. These will occasionally bleed, and result in blood in your stools. If the bleeding is associated with significant abdominal pain and cramping, notify your doctor immediately. ...Read more

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Blood in stool 5 days after colonoscopy, normal? Feels like razor blades when doing a poo

Blood in stool 5 days after colonoscopy, normal? Feels like razor blades when doing a poo

You : Don't say if any biopsies or polyp removal were done. Be sure to not take Aspirin or other nsaids. Razor blades sound like a possible tear or fissure. Best to call your endoscopist and inform them of this situation and let them decide how to follow this. ...Read more

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Normal colonoscopy but blood in stool, what's wrong?

Normal colonoscopy but blood in stool, what's wrong?

See below : The colon is so huge that sometimes the camera doesn't catch a small bleed. Colonoscopies are important to make sure you don't have inflammation in the colon and it rules out serious causes. You might have a blood vessel that bleeds on and off. Or it might be something in the anal area like a crack in the wall causing some bleeding when you wipe. Also the bleed could be from above the colon. ...Read more

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What to do if I have blood in stool but clean colonoscopy?

What to do if I have blood in stool but clean colonoscopy?

Blood in stool: If the colonoscopy is negative and the bleeding is bright red and low volume it is likely hemorrhoidal in origin. At this early stage usually an anal ointment will help symptoms. ...Read more

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Is blood in stool common after having your first colonoscopy test?

Is blood in stool common after having your first colonoscopy test?

Depends on whether: A polyp was removed or biopsies were taken and even then should only be scant blood for a day or so. Anything more than that and you need to call the doctor who performed the colonoscopy promptly and inform them of this occurrence. Better to be safe. ...Read more

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Had colonoscopy in 2002, was fine. Had one recently, microscopic blood in stool, can you get coloncancer within 10 yrs? 64 yr old female.

Had colonoscopy in 2002, was fine. Had one recently, microscopic blood in stool, can you get coloncancer within 10 yrs? 64 yr old female.

Absolutely...: There are several biologic pathways by which cells grow into cancer--this is particularly true with colon cancer. "interval colon cancers" are defined as presenting relatively soon after a negative colonoscopy exam. This phenomenon is well-defined & well-recognized in the medical literature, distinct from missed or regrowing lesions, & accepted as inevitable despite current screening strategies. ...Read more

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Red streaks of blood in stool - but colonoscopy is clear. What could it be?

Pain?: Is there pain associated with your bowel movements? The blood could be due to an anal fissure. If there is no pain related the blood could be from a hemorrhoid. Either way it is important to discuss this with your gastrointestinal doctor to find the source of the bleeding. ...Read more

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I have blood in stool. I've had 4 colonoscopy. Negative results. Had diverticulitis before. What could my problem be?

I have blood in stool. I've had 4 colonoscopy. Negative results. Had diverticulitis before. What could my problem be?

Maybe not colonic...: Evaluation is always appropriate for re-bleeding from the gut. Black stool often means bleeding from upper GI tract; grape jelly stool from small bowel; silver stool from biliary tree; burgundy stool from right colon; red blood from left colon to anal canal. Any accompanying symptoms? Do you take NSAID's, over-use alcohol, smoke tobacco, have other risks (AVM's for example)--lots to consider. ...Read more

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Saw a GI for microscopic blood in stool, confirmed by FIT. Flat out refused a colonoscopy as I feel this was just an incidental finding. Is this ok?

Saw a GI for microscopic blood in stool, confirmed by FIT. Flat out refused a colonoscopy as I feel this was just an incidental finding. Is this ok?

Possible mistake?: ...its a warning sign. May be predictable (e.g. rectal trauma, fissure, hemorrhoids with straining), but evaluation is always appropriate. A rule of thumb (but not absolute): black stool means bleeding comes from upper GI tract; grape jelly stool from small bowel; silver stool from biliary tree; burgundy stool from right colon; red blood from left colon to anus; occult blood is anyone's guess. ...Read more

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I have UC and my blood in stool came back my GI dr knows about it I'm havering a colonoscopy but what can I do for now I don't get it for a month?

I have UC and my blood in stool came back my GI dr knows about it I'm havering a colonoscopy but what can I do for now I don't get it for a month?

Advice from your doc: If you have had blood in your stool before, and have seen a gastroenterologist, then some treatment has probably already been prescribed. This could be medication such as sulfasalazine, other oral or enema medications including Asacol (mesalamine) or Lialda, or even cortisone. Call your doctor back to make sure she/he doesn't want you to increase or change your medication before your colonoscopy. Good luck! ...Read more

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What is the likelihood they will find something on a colonoscopy if you had a positive fecal immunochemical test (for blood in stool)?

What is the likelihood they will find something on a colonoscopy if you had a positive fecal immunochemical test (for blood in stool)?

Heme + stool on FIT: At your age, finding something serious would be unusual. It could be hemorrhoids or contamination if it was done during a menstrual period. If you've had bowel habit changes such as more frequent stools or abdominal pains, it may be a good idea to pursue the colonoscopy. Another reason to pursue a colonoscopy would be if members of your family have had cancer in the digestive tract. ...Read more

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I had anal fissure diagnosed after colonoscopy about 4 years back. Reason 4 procedure: 1-time blood in stool. Ok since, but anything i need to do now?

I had anal fissure diagnosed after colonoscopy about 4 years back. Reason 4 procedure: 1-time blood in stool. Ok since, but anything i need to do now?

NO: Not sure i fully understand your question. If you are having no symptoms from your fissure that was found a year ago, then there is nothing else to do. It sounds like it has already healed. ...Read more

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Please help, blood in stool (colonoscopy normal, ) MRI shows narrowing of small bowel don, t know what this signifys?

Please help, blood in stool (colonoscopy normal, ) MRI shows narrowing of small bowel don, t know what this signifys?

Crohn's disease (IBD: Crohn's disease atype of ibd (inflammatory bowel disease) is one of the causes for blood in stool. Normal colonoscopy suggests that colon is not involved. Mri is useful to avoid radiation and detect complications such as fistula, abscess, or sinuses. ...Read more

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How long to wait for safe colonoscopy after colon resection? Polyp in rectum, blood in stool, no stoma.

How long to wait for safe colonoscopy after colon resection? Polyp in rectum, blood in stool, no stoma.

Coordinate: With your surgeon & your gastroenterologist. Maybe wait 4-6 weeks after surgery, but would be best to get the approval from your surgeon who knows your condition in detail, before having colonoscopy. ...Read more

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Blood in stool. Colonoscopy showed mild proctitis inflammation. Biopsies normal. Gi not worried, no treatment, no diagnosis. . Should I be worried. ?

Blood in stool. Colonoscopy showed mild proctitis inflammation. Biopsies normal. Gi not worried, no treatment, no diagnosis. . Should I be worried. ?

No: I suspect this is a mechanical process causing a bit of inflammation and tissue injury. We're not going to do anything when the biopsy is normal and there's no mass lesion. If your physician is agreeable, a diet with some more fiber might help. ...Read more

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23 yr old female. Dull pain in lower abdomen. Colonoscopy came back clear. No blood in stool. Have had the pain for about 2 months. What's wrong w/me?

23 yr old female. Dull pain in lower abdomen. Colonoscopy came back clear. No blood in stool. Have had the pain for about 2 months. What's wrong w/me?

Multiple causes: Abdominal discomfort can be due to a number of different causes. These can include gynegologic, urinary, gastrointestinal, musculoskeletal, nervous system, and others. A thorough history and physical examination by a physician can help determine the cause of your pain. ...Read more

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Having green stool for couple of months. On n off Pain in lower right of abs. Colonoscopy n endoscopy with biopsy normal. What's going on? Have ext and int hemorrhoids. Blood in stool might from hem

Having green stool for couple of months. On n off Pain in lower right of abs. Colonoscopy n endoscopy with biopsy normal. What's going on? Have ext and int hemorrhoids. Blood in stool might from hem

See answer + comment: Although not enough information is provided to give you specific advise the following may be helpful: Green stool indicates that your food is moving through your intestines more quickly than usual and not giving your bile a chance to turn the normal brown color. By itself, this is not a sign of a specific illness. Abdominal pain with normal studies may be due to the Irritable Bowel Syndrome. ...Read more

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65 yr old lady complain of chronic fatigue n anemia n blood in stool. Endoscopy n colonoscopy are normal. What's it? What do next?

65 yr old lady complain of chronic fatigue n anemia n blood in stool. Endoscopy n colonoscopy are normal. What's it? What do next?

Small bowel: Assuming the source of anemia is from the gut (anemia may be from other sources)...The gut includes the small bowel and large bowel (colon). Egd evaluates the esophagus and stomach. Egd can miss dieulafoy lesions or avms. Colonscopy is very good but not perfect. If both egd and colonoscopy are negative and accurate, then bleeding can be from the small bowel. Capsule endoscopy could be considered. ...Read more

Dr. Charles Cattano
2,021 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. Eric Kaplan
518 doctors shared insights

Bloody Or Red Colored Stools (Definition)

Blood in the stool of babies is always a concern and should be investigated. Some of the causes include food allergies, infection of the bowels (bacterial gastroenteritis), anal fissure, and rarely, intussusception. ...Read more