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Doctor insights on: Does Pooping Blood Mean Colon Cancer

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Dr. Barry Rosen
4,223 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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What happens if I have tested negative for blood in my stool, does it mean I cannot have colon cancer?

What happens if I have tested negative for blood in my stool, does it mean I cannot have colon cancer?

No true correlation: Stool guaiac to define blood in stool of little value since many tumors do not bleed especially those on the rt. side where bowel content is mostly liquid and will not extract blood from a tumor. In addition internal hemorrhoids can bleed and as such no correlation to malignancy. Colonoscopy every 5 yrs looking for bowel lesions is the most effective screening test at the present time. ...Read more

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I saw blood in my stool and i'm completely freaked out. What could it mean? There is colon cancer in the family.

I saw blood in my stool and i'm completely freaked out. What could it mean? There is colon cancer in the family.

Probably: Just hemorrhoids, but with a family history, all bleeding needs to be properly evaluated, and you probably need a colonoscopy. Do not be freaked out as it does nothing to change your diagnosis, but you at least need a diagnosis. Remember, if caught early by colonoscopy, survival is excellent. See a GI doctor or colon and rectal surgeon soon! ...Read more

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What does mean when your stool is almost black all the time I am a colon cancer survivor, but when they discover my cancer my stool was regular color but there was blood around it on the outside and i was feeling very week, now i feel fine but the stool

What does mean when your stool is almost black all the time I am a colon cancer survivor, but when they discover my cancer my stool was regular color but there was blood around  it on the outside and i was feeling very week, now i feel fine but the stool

Need to discuss: Need to discuss this further. You are 33, clearly have a genetic predisposition to colon cancer, have already had surgery and now with black stool. Black stool usually signifies blood from the upper abdominal tract - stomach, duodenum, small intestine. You should definitely not leave this alone and speak with a specialist regarding this further. ...Read more

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Im 22 with freah blood in stool occassionally no other symptoms chances it means I may have colon cancer?

Im 22 with freah blood in stool occassionally no other symptoms chances it means I may have colon cancer?

No: The commonest cause of painless rectal bleeding in a young individual is internal hemorrhoids. You should see your pcp who can do proctodscopy and see if the hemorrhoids are bleeding. He can then decide whether you need colonoscopy or a colorectal surgeon for treatment of bleeding hemorrhoids. ...Read more

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Had red blood, black stool 3 weeks ago for 3 days. Had hemiglobin and occult test 2 days ago and all normal. This does mean I have no colon cancer?

Had red blood,  black stool 3 weeks ago for 3 days.  Had hemiglobin and occult test 2 days ago and all normal.  This does mean I have no colon cancer?

GI consult, EGD: Limited data available as reported. Colon cancer is rare at such an young age. Bright red blood usually from lower GI tract, or hemorrhoids, fissure etc. However black stoll is concerning for upper GI bleed. Need a GI/Gastroenterology evaluation, EGD/upper endoscopy, H Pylori testing, Upper GI series etc. contact PCP for GI referral. Go to a health tap doctor for a formal consult with more details ...Read more

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Does bright red blood with stool most likely mean colon cancer? My anus area feel itchy afterwards im 22 what are my realistic chance of colon cancer at 22? I have no family history

Does bright red blood with stool most likely mean colon cancer? My anus area feel itchy afterwards im 22 what are my realistic chance of colon cancer at 22? I have no family history

Need an exam: Colon cancer is less common at your age. Sounds more like ananal fissure. Try increasing fiber to avoid constipation. This will help if this is a hemorrhoid too. See your doctor if it continues. He/she can make a recommendation once a definitve diagnosis is made. ...Read more

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No nausea or stomach pain. Constipated & pooping blood, didn't go bathroom "right away" to be honest, colon cancer? (19, F)

No nausea or stomach pain. Constipated & pooping blood, didn't go bathroom "right away" to be honest, colon cancer?  (19, F)

Constipation: With hemorrhoid is the most likely cause unless you have a strong family history of colon cancer at a young age. If your symptoms persist see your doctor for evaluation. ...Read more

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Poop after straining/holding it in for awhile. Noticed blood in water + lot of blood on TP. Colon cancer? I'm 38. Pelvic CAT was fine in August.

Poop after straining/holding it in for awhile. Noticed blood in water + lot of blood on TP. Colon cancer? I'm 38. Pelvic CAT was fine in August.

Rectal bleeding: This needs to be evaluated further. Given the rectal bleeding, you should have a colonoscopy to evaluate your colon. Speculation is not worth the risk. See your doctor to have this evaluated properly. ...Read more

Dr. Eric Kaplan
923 doctors shared insights

Colon Cancer (Definition)

Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more


Dr. Shari Jackson
1 doctor shared a insight

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more