Rectal Bleeding: Causes and When to Seek Treatment - Gastroenterology and Hepatology

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It seems there is blood when wiping after a bowel movement?


Hello, doctor: Today, when I had a bowel movement, I felt a bit of itching around the anus while wiping.
It was somewhat red, and it seems like there was some blood (not bright red, but my stool was long and hard).
Could it be that I injured my anus? I feel like there might be some irritation or a small tear, and it’s itchy and painful.
Do I need treatment? Should I get a colonoscopy? Will it be very painful?

Mr. Zhang, 20~29 year old female. Ask Date: 2015/06/12

Dr. Chen Qifeng reply Gastroenterology and Hepatology


Hello, you are visiting the colorectal surgery department...
Based on the symptoms, there is a high possibility of hemorrhoids or anal fissures.
Wishing you safety and health.
Sincerely, Dr.
Chi-Feng Chen, Attending Physician, Department of Gastroenterology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2015/06/12

More Info


Rectal bleeding can be a concerning symptom, and it’s important to understand its potential causes and when to seek medical treatment. Based on your description, it seems you are experiencing some discomfort and bleeding during bowel movements, which could be due to a few common issues.

One of the most frequent causes of rectal bleeding, especially in individuals who have hard, long stools, is hemorrhoids. Hemorrhoids are swollen blood vessels in the rectal area that can become irritated and bleed, particularly during bowel movements. The itching and redness you mentioned could also be indicative of hemorrhoids. Another possibility is anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools. These can cause pain, itching, and bleeding, often described as a sharp pain during or after bowel movements.

In your case, since you mentioned that your stools are hard and long, it is likely that you may have caused some minor trauma to the anal area, leading to the symptoms you are experiencing. It’s essential to address this issue promptly to prevent further complications.

Here are some recommendations for managing your symptoms and promoting healing:
1. Increase Fiber Intake: To prevent hard stools, consider increasing your dietary fiber. Foods such as fruits, vegetables, whole grains, and legumes can help soften your stool and make bowel movements easier.

2. Stay Hydrated: Drinking plenty of water is crucial. Adequate hydration can help prevent constipation and reduce the risk of hard stools.

3. Over-the-Counter Treatments: You may find relief from topical treatments such as hydrocortisone creams or witch hazel pads, which can help reduce inflammation and discomfort.

4. Warm Sitz Baths: Taking warm baths can soothe the anal area and promote healing. Sitting in warm water for about 15-20 minutes a few times a day can be beneficial.

5. Avoid Straining: When using the bathroom, try to relax and avoid straining, as this can exacerbate the problem.

Regarding your question about whether you need to seek treatment or undergo a colonoscopy, it’s advisable to consult a healthcare professional if your symptoms persist, worsen, or if you experience significant pain or changes in your bowel habits. A colonoscopy is generally not the first step for someone with mild rectal bleeding, especially if it is associated with hard stools and minor discomfort. However, if there are signs of more serious conditions, such as significant blood loss, severe pain, or if you are over 50 years old, a doctor may recommend further evaluation, including a colonoscopy.

In terms of pain associated with a colonoscopy, while the procedure can be uncomfortable, it is typically performed under sedation, which helps minimize discomfort. The benefits of having a colonoscopy, especially for ruling out serious conditions like colorectal cancer, often outweigh the temporary discomfort associated with the procedure.

In summary, while your symptoms may be due to common issues like hemorrhoids or anal fissures, it’s essential to monitor your condition. If you notice any alarming changes or if your symptoms do not improve with home care, do not hesitate to seek medical advice. Early intervention can help prevent complications and ensure proper healing.

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