Blood When Wiping After Bowel Movements: Should I Worry About Colon Cancer? - Surgery

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There is blood when wiping after a bowel movement?


Hello doctor, I have been experiencing constipation for a long time, but recently my bowel movements have become more regular and the stool consistency is normal.
However, I notice blood when wiping, which occurs for a couple of times and then stops.
This has been the case for the past three days.
My paternal grandparents both passed away from colon cancer.
Could this mean that I might have colon cancer?

Qingqing, 10~19 year old female. Ask Date: 2016/05/04

Dr. Li Zhonghuai reply Surgery


Hello! The likelihood of your age is very low, but it is still recommended to consult a general surgeon or a colorectal surgeon for an anoscopy.
Take care! Changhua Hospital cares about you!

Reply Date: 2016/05/04

More Info


When it comes to noticing blood on toilet paper after bowel movements, it can understandably cause concern, especially with a family history of colon cancer. However, it's important to consider several factors before jumping to conclusions about the possibility of colon cancer.

Firstly, the presence of blood when wiping can often be attributed to benign conditions such as hemorrhoids or anal fissures. Hemorrhoids are swollen blood vessels in the rectal area that can bleed, especially during bowel movements. Anal fissures, which are small tears in the lining of the anus, can also cause bleeding and discomfort. Both conditions are relatively common and can occur even in individuals who do not have a history of constipation or significant bowel issues.

In your case, you mentioned that you have a history of constipation but that your bowel movements have recently normalized. This change could potentially alleviate some of the strain on your rectal area, but if you are still experiencing blood when wiping, it may indicate that there is some irritation or damage in that area, possibly due to hemorrhoids or fissures.

It's also worth noting that while a family history of colon cancer can increase your risk, it does not mean that you will necessarily develop the disease. Colon cancer is more commonly diagnosed in individuals over the age of 50, and symptoms can vary widely. The presence of blood in the stool, changes in bowel habits, unexplained weight loss, and persistent abdominal pain are all symptoms that warrant further investigation. However, isolated instances of blood on toilet paper, especially if they are not accompanied by other concerning symptoms, may not be indicative of cancer.

Given your family history, it is prudent to be vigilant about your gastrointestinal health. Regular screenings, such as colonoscopies, are recommended, especially if you have a first-degree relative who has had colon cancer. The American Cancer Society recommends that individuals with a family history of colorectal cancer begin screening at an earlier age than the general population, often around 10 years before the age at which their relative was diagnosed.

In your situation, it would be advisable to consult with a healthcare professional, preferably a gastroenterologist, who can evaluate your symptoms in detail. They may recommend a physical examination, and possibly a colonoscopy, to rule out any serious conditions and to provide peace of mind. Additionally, they can offer guidance on managing any benign conditions such as hemorrhoids or fissures, which may include dietary changes, increased fiber intake, and possibly topical treatments.

In summary, while the presence of blood when wiping can be alarming, it is often due to non-cancerous conditions. However, given your family history, it is essential to stay proactive about your health. Regular check-ups and screenings will help ensure that any potential issues are caught early, allowing for timely intervention if necessary. Always listen to your body and seek medical advice if you notice persistent changes or new symptoms.

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