Rectal Bleeding: Causes and When to Seek Help - Surgery

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Blood in the anus?


Recently, I have been straining a bit too much during bowel movements, and I noticed some bright red blood when wiping after using the toilet, although there was no blood in the stool.
I also did not experience any abdominal pain, but there was a slight stinging sensation in the anal area.
The next morning, while urinating, I noticed the same bright red blood from the anus, but it was a bit more than the previous day, and there was also blood in the toilet.
However, after wiping one or two times, there was no blood on the toilet paper.
What could these symptoms indicate?

Adi, 10~19 year old female. Ask Date: 2017/04/14

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 the toilet.
Warm sitz baths may also help alleviate symptoms.
You can purchase over-the-counter hemorrhoidal suppositories and use stool softeners, but it is best not to take any medications indiscriminately.
If bleeding persists, it is advisable to consult a physician for evaluation.

Reply Date: 2017/04/14

More Info


Rectal bleeding can be a concerning symptom, and understanding its causes is essential for determining the appropriate course of action. Based on your description, it appears that you are experiencing bright red blood from the rectum, which is often indicative of bleeding from the lower gastrointestinal tract, particularly the rectum or anus. The fact that you are not experiencing abdominal pain and that the blood is bright red suggests that the source of the bleeding is likely to be relatively close to the anus.

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. They can be internal or external and are often associated with straining during defecation, which seems to align with your experience of having to exert more effort during bowel movements.

2. Anal fissures: These are small tears in the lining of the anus, often caused by passing hard stools or straining. They can lead to sharp pain and bleeding during or after bowel movements.

3. Diverticular disease: This condition involves the formation of small pouches in the colon wall, which can become inflamed or bleed.

4. Colorectal polyps or cancer: While less common, these can also cause rectal bleeding. Polyps are growths on the lining of the colon or rectum, and some can develop into cancer over time.

5. Infections or inflammatory bowel disease: Conditions such as ulcerative colitis or Crohn's disease can lead to rectal bleeding as well.

Given that you mentioned the bleeding is bright red and occurs primarily when wiping after bowel movements, it is likely related to hemorrhoids or anal fissures. However, it is crucial to monitor the situation closely. Here are some recommendations on when to seek medical help:
- Persistent bleeding: If the bleeding continues or worsens, it is essential to consult a healthcare provider.

- Increased pain: If you experience significant pain or discomfort in the anal area, this could indicate a more serious issue that needs evaluation.

- Changes in bowel habits: If you notice changes in your bowel habits, such as diarrhea or constipation, or if you see blood mixed with stool, you should seek medical attention.

- Other symptoms: If you experience additional symptoms such as fever, weight loss, or fatigue, these could be signs of a more serious condition.

In the meantime, here are some self-care measures you can take to alleviate your symptoms:
- Increase fiber intake: Eating a diet rich in fruits, vegetables, and whole grains can help soften stools and reduce straining during bowel movements.

- Stay hydrated: Drinking plenty of water can help prevent constipation.

- Warm baths: Soaking in a warm bath can help relieve discomfort and promote healing if you have anal fissures or hemorrhoids.

- Over-the-counter treatments: There are various creams and ointments available that can help reduce the pain and swelling associated with hemorrhoids.

In conclusion, while your symptoms may be indicative of a common issue such as hemorrhoids or anal fissures, it is essential to monitor your condition closely. If the bleeding persists or worsens, or if you develop any concerning symptoms, do not hesitate to seek medical advice. A healthcare provider can perform a thorough evaluation, which may include a physical examination and possibly further diagnostic tests, to determine the underlying cause of your rectal bleeding and recommend appropriate treatment.

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