Is It Hemorrhoids or Colon Cancer? Blood in Stool - Surgery

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Is it hemorrhoids or colorectal cancer?


I would like to ask the doctor about having blood in the stool.
The toilet bowl does not have red blood, but there is blood when wiping.
Could this be hemorrhoids or colorectal cancer?

Bu Bu, 30~39 year old female. Ask Date: 2022/03/03

Dr. Yu Mingchang reply Surgery


If you have a higher likelihood of hemorrhoids, it's advisable to consult a colorectal specialist.

Reply Date: 2022/03/03

More Info


When it comes to the presence of blood in the stool, it can understandably cause significant concern, especially with a family history of colon cancer. However, it’s important to approach this issue with a clear understanding of the potential causes and the necessary steps to take for proper diagnosis.

Based on the symptoms you've described—blood appearing on toilet paper after wiping, but not in the toilet water—it is more likely that you are experiencing issues related to hemorrhoids rather than colon cancer. Hemorrhoids are swollen veins in the lower rectum and anus that can cause bleeding, especially during bowel movements. This bleeding is typically bright red and may be seen on the toilet paper or in the toilet bowl, but it often does not mix with the stool itself.

The fact that you are noticing blood only occasionally and that your bowel movements have been described as normal (aside from the bleeding) further supports the likelihood of hemorrhoids. It’s also worth noting that factors such as straining during bowel movements, constipation, or passing hard stools can exacerbate hemorrhoids and lead to bleeding.

On the other hand, colon cancer typically presents with more persistent symptoms. While it can cause blood in the stool, this blood may be mixed with the stool and can appear darker, indicating that it is coming from higher up in the gastrointestinal tract. Other symptoms of colon cancer may include changes in bowel habits, unexplained weight loss, abdominal pain, or a feeling that the bowel does not empty completely. Given your age and the intermittent nature of your symptoms, the risk of colon cancer is relatively low, but it cannot be completely ruled out without further investigation.

To address your concerns and ensure your health, it is advisable to consult a healthcare professional. A gastroenterologist can perform a thorough evaluation, which may include a physical examination, a digital rectal exam, and possibly a colonoscopy. A colonoscopy is a procedure that allows the doctor to view the inside of your colon and rectum, and it can help identify any abnormalities, including hemorrhoids, polyps, or signs of cancer.

In addition to seeking medical advice, consider making some lifestyle changes that can help alleviate your symptoms. Increasing your fiber intake through fruits, vegetables, and whole grains can help soften your stool and reduce straining during bowel movements. Staying well-hydrated is also crucial, as it can help prevent constipation. Regular exercise can promote healthy bowel function as well.

In summary, while the presence of blood in the stool can be alarming, it is often related to benign conditions such as hemorrhoids, especially in younger individuals. However, it is essential to seek medical evaluation to rule out more serious conditions like colon cancer, particularly given your family history. Taking proactive steps in your health management will not only provide peace of mind but also ensure that any potential issues are addressed promptly.

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How to Differentiate Blood in Stool: Hemorrhoids vs. Colon Cancer

Is there a way to distinguish whether the blood in the stool is due to hemorrhoids or possibly colon cancer? If the blood is bright red and mostly remains on the toilet paper (with none on the stool), does this indicate it is caused by hemorrhoids?


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1. I have had hemorrhoids since childhood, and I started noticing blood in my stool around high school. A few days ago, I even wiped away a blood clot. Today, my stool is not hard, and there is no pain in my anus, but I still wiped away a significant amount of blood, enough to cl...


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