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Doctor insights on: Is Diarrhea A Sign Of Colon Cancer

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Dr. Barry Rosen
4,214 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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I'm having chronic diarrhea. What are the chances that this is colon cancer at age 30 years old?

I'm having chronic diarrhea. What are the chances that this is colon cancer at age 30 years old?

Low: The chances are low. Yet this does not mean that you should not discuss with your primary care physician or GI specialist in further detail. There are certain clues in a history we use to determine a risk profile. This can only be ascertained in a face to face discussion. This forum is subpar for this type of discussion. ...Read more

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Is diarrhea a symptom of colon cancer? In the past month I've had 3-4 acute diarrhea attacks, which is abnormal for me. No dietary changes either.

Is diarrhea a symptom of colon cancer?  In the past month I've had 3-4 acute diarrhea attacks, which is abnormal for me.  No dietary changes either.

Yes and no: Diarrhea can be a symptom of cancer, particularly if your stool appears black and tar like; but there are far more common and more likely causes of diarrhea in a 42 year old. Don't hesitate to be seen. ...Read more

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18 yr and have been having diarrhea have been under lots of stress went to dr she says she would bet her life on it that im ok. do i have colon cancer?

18 yr and have been having diarrhea have been under lots of stress went to dr she says she would bet her life on it that im ok. do i have colon cancer?

Very highly unlikely: Please listen to your doctor. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. 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. ...Read more

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I have colon cancer and am on chemotherapy, diarrhea, and now hemorroids, what can I do to help? 

I have colon cancer and am on chemotherapy, diarrhea, and now hemorroids, what can I do to help? 

Medication : Check with your medical oncologist for advice and that these are the side effects of your chemotherapy. You can take over the counter medication. Immodium or kaopectate for diarrhea and or a low fiber diet. Topical ointments or suppositories for your hemmorhoids. Try annusol or tucks (witch hazel) or preparation h. There are other meds and also prescription medications as well. ...Read more

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What is the reason behind (diarrhea followed by constipation ) like in case of colon cancer ?

What is the reason behind (diarrhea followed by constipation ) like in case of colon cancer ?

Partial obstruction : When the colon gets partially blocked (as in some cancers) stool can back up and constipation occurs. When constipation is longstanding, liquid stool moves around the blockage. This is called post obstructive diarrhea. Constipation appears to follow the diarrhea but was really there to begin with. In these cases a full workup and a gentle clean out is required. Visit your doctor for both. ...Read more

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Which is the main symptom of rectal/colon cancer? Constipate or diarrhea? Or both? I got a constipation fir 4 months already but no diarrhea

Which is the main symptom of rectal/colon cancer? Constipate or diarrhea? Or both? I got a constipation fir 4 months already but no diarrhea

Either: Rectal and colon cancer could be very serious and should not been taking lightly you are 25 years old chance of cancer very low but not zero you simply have a bad constipation you should not let yourself go for four month without proper treatment eat more healthy food less junk eat more fruits and fibers drink a lot of water and take stool softener if you need it see your doctor if not better. ...Read more

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I have a long family history of colon cancer, every bm is diarrhea, i'm losing weight and in severe pain, but i'm under 30. Could I have colon cancer?

Yes: Best to get these symptoms fully evaluated. You may need a colonoscopy for a definitive diagnosis. Although it is unusual for someone your age to have colon cancer, it is not impossible. Losing weight with severe pain means you need to know and not guess. Symptoms like these deserve a full evaluation in person by your health care provider. ...Read more

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Diarrhea constipation gas swollen stomach = colon cancer?

Diarrhea constipation gas swollen stomach = colon cancer?

Not always.: Although change in bowel habits is a strong indicator of colon cancer, it can signify other things as well, like irritable bowel syndrome, or gallbladder issue, i.e. Stones. Your'e young for colon cancer, and gallbladder issues. So it is likely that the source of this lies elsewhere, like your diet. You should see your doctor for tests like occult blood test, etc to be sure and for diet help. ...Read more

Dr. Oscar Novick
2,082 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


Dr. Eric Kaplan
921 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