Rectal Bleeding: Causes and When to Seek Help - Surgery

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Rectal bleeding


Hello, Dr.
Ke.
I would like to ask you about a concern I have.
After using the restroom, I notice bleeding, but I have confirmed that it is not from menstruation; the blood is coming from the anus, and it is not due to a tear.
This has happened two or three times now.
Could you please tell me what this symptom might indicate?

Paula, 10~19 year old female. Ask Date: 2016/03/18

Dr. Ke Fangxu reply Surgery


This situation likely indicates a higher possibility of hemorrhoidal bleeding.
As long as there is no further bleeding, it should not be a concern.
It is recommended to avoid constipation during this period and to shorten the time spent on bowel movements.
Warm sitz baths may also help alleviate symptoms.
You can purchase hemorrhoidal suppositories at the pharmacy for use.
It is best not to take stool softeners indiscriminately; at this age, increasing dietary fiber and fluid intake should be sufficient.
If bleeding persists, it is advisable to consult a physician for evaluation.

Reply Date: 2016/03/18

More Info


Rectal bleeding can be a concerning symptom, and it is important to understand its potential causes and when to seek medical help. The presence of blood in the stool or from the rectum can arise from various conditions, some of which are benign, while others may require immediate medical attention.

Common causes of rectal bleeding 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 are often associated with pain, itching, or discomfort.

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 cause bleeding.

3. Diverticular Disease: Diverticula are small pouches that can form in the walls of the colon. If these pouches become inflamed or infected (diverticulitis), they can cause bleeding.

4. Colorectal Polyps: These are growths on the inner lining of the colon or rectum. While most polyps are benign, some can develop into colorectal cancer over time, and they may cause bleeding.

5. Colorectal Cancer: This is a more serious cause of rectal bleeding. It can present with other symptoms such as changes in bowel habits, unexplained weight loss, or abdominal pain.

6. Inflammatory Bowel Disease (IBD): Conditions such as Crohn's disease or ulcerative colitis can lead to inflammation of the gastrointestinal tract, resulting in bleeding.

7. Gastrointestinal Infections: Certain infections can cause inflammation and bleeding in the intestines.

Given that you have experienced rectal bleeding multiple times, it is crucial to seek medical evaluation. Here are some guidelines on when to seek help:
- If the bleeding is persistent: If you notice blood every time you have a bowel movement or if the bleeding continues over several days, it is important to consult a healthcare provider.

- If the blood is bright red: Bright red blood may indicate bleeding from the lower gastrointestinal tract, such as hemorrhoids or anal fissures, but it can also be a sign of more serious conditions.

- If you experience other symptoms: Accompanying symptoms such as severe abdominal pain, changes in bowel habits, weight loss, or fatigue should prompt immediate medical attention.

- If you have a history of gastrointestinal issues: If you have a history of conditions like IBD or colorectal cancer in your family, you should be more vigilant about any rectal bleeding.

During your medical evaluation, your healthcare provider may perform a physical examination, ask about your medical history, and possibly recommend diagnostic tests such as a colonoscopy or imaging studies to determine the cause of the bleeding.

In summary, while rectal bleeding can be caused by various conditions, it is essential to take it seriously, especially if it occurs repeatedly. Early diagnosis and treatment can help address any underlying issues and prevent potential complications. Please consult a healthcare professional for a thorough evaluation and appropriate management.

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