Blood When Wiping After Bowel Movement: What You Need to Know

There is a small amount of blood when wiping after a bowel movement?

Today, when I was wiping after a bowel movement, I noticed a small amount of blood on the tissue when I wiped my anus.
After wiping a second time, there was no more blood.
I've experienced this situation before, but sometimes I see blood and sometimes I don't.
I don't have a daily bowel movement habit, and I'm unsure what is going on.
I'm really worried that it might be colon cancer.

Jun-Ya, 10~19 year old female. Ask Date: 2015/07/21

Dr. Ke Fangxu reply Surgery

Mild rectal bleeding in young women is often due to hemorrhoidal bleeding.
It is recommended to improve lifestyle and dietary habits, and to avoid constipation and prolonged straining during bowel movements, as these measures can help alleviate symptoms naturally.
At the age of 17, colorectal cancer is highly unlikely.
If bowel movements are not daily, there is no need for excessive concern; increasing dietary fiber intake should be beneficial.

Reply Date: 2015/07/21

More Info

Experiencing blood when wiping after a bowel movement can understandably cause concern, especially with fears of serious conditions like colorectal cancer. However, it's essential to approach this situation with a clear understanding of potential causes and when to seek medical attention.

Firstly, the presence of blood in the stool or when wiping can often be attributed to benign conditions. The most common causes include:
1. Hemorrhoids: These are swollen veins in the lower rectum or anus that can cause bleeding, especially during bowel movements. Hemorrhoids can be internal or external, and they often present with bright red blood on toilet paper or in the toilet bowl.

2. Anal Fissures: These are small tears in the lining of the anus, often caused by passing hard stools. They can lead to sharp pain during bowel movements and may also cause bleeding.

3. Diverticular Disease: This condition involves the formation of small pouches in the colon wall, which can sometimes bleed.

4. Gastrointestinal Infections: Certain infections can lead to inflammation and bleeding in the gastrointestinal tract.

5. Polyps or Colorectal Cancer: While less common, polyps (which can be precursors to cancer) or colorectal cancer can cause bleeding. However, these conditions are usually accompanied by other symptoms, such as changes in bowel habits, unexplained weight loss, or persistent abdominal pain.

Given your description of intermittent bleeding, it is crucial to consider the following:
- Frequency and Amount of Blood: If the bleeding is minor and infrequent, it may be related to hemorrhoids or fissures. However, if you notice significant bleeding, or if it persists, it is essential to seek medical advice.

- Associated Symptoms: Pay attention to any additional symptoms such as changes in bowel habits (diarrhea or constipation), abdominal pain, weight loss, or fatigue. These could indicate a more serious condition.

- Bowel Habits: You mentioned not having a daily bowel movement. Irregular bowel habits can lead to constipation, which may contribute to the development of hemorrhoids or fissures. Ensuring a diet high in fiber, staying hydrated, and possibly using stool softeners can help maintain regular bowel movements.

In light of your concerns about colorectal cancer, it is advisable to consult a healthcare professional for a thorough evaluation. They may recommend a physical examination, including a digital rectal exam, and possibly further investigations such as a colonoscopy, especially if you are over the age of 45 or have a family history of colorectal cancer.

In summary, while the presence of blood when wiping can be alarming, it is often due to benign conditions like hemorrhoids or anal fissures. However, it is essential to monitor your symptoms and seek medical advice if the bleeding persists or if you experience any concerning symptoms. Early detection and intervention are key in managing any potential health issues effectively.

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