Rectal Bleeding: Causes and When to Seek Help - Surgery

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Rectal bleeding


I would like to ask about a sudden occurrence of blood in my stool today, which turned the toilet water red, resembling menstrual blood.
However, the bowel movement was smooth and painless.
After wiping, there was blood that looked similar to menstrual discharge.
I also feel bloated and have been experiencing constipation recently, which I didn't have before.
There was a significant amount of blood during one bowel movement, but after that, my next stool was smaller and without blood.
I also feel some heaviness in my chest and a dull sensation in my uterus.
What could be causing this sudden change? Additionally, I have been experiencing headaches.

Ci Ci, 20~29 year old female. Ask Date: 2018/03/05

Dr. Xu Kaixi reply Surgery


Rectal bleeding is considered an abnormal symptom and can be diagnosed from common conditions like hemorrhoids to more serious gastrointestinal diseases.
Based on your description, hemorrhoidal bleeding is the most likely cause; however, since you have other non-gastrointestinal symptoms in addition to the bloody stools, it is recommended that you visit a hospital's surgical or gastroenterology department for further evaluation.

Reply Date: 2018/03/05

More Info


Rectal bleeding can be alarming, and it's essential to understand its potential causes and when to seek medical help. Based on your description, you experienced blood in your stool, which turned the toilet water red, resembling menstrual blood. You mentioned that the bowel movement was painless, but you have been experiencing bloating and constipation recently, along with some discomfort in your chest and headaches.
There are several potential causes for rectal bleeding, and they can range from benign to serious conditions. Here are some common causes:
1. Hemorrhoids: These are swollen blood vessels in the rectum or anus that can cause bright red blood during bowel movements. They are often associated with straining during bowel movements or constipation.

2. Anal fissures: Small tears in the lining of the anus can occur due to passing hard stools. This can lead to bleeding and pain during bowel movements.

3. Diverticular disease: Diverticulosis, which involves small pouches forming in the colon wall, can lead to diverticulitis, causing inflammation and bleeding.

4. Gastrointestinal bleeding: Conditions such as ulcers, inflammatory bowel disease (IBD), or colorectal cancer can cause bleeding. The blood may appear darker if it originates from higher in the gastrointestinal tract.

5. Polyps: These are growths on the lining of the colon or rectum that can bleed. Some polyps can develop into cancer over time.

Given your symptoms, particularly the combination of rectal bleeding, recent constipation, and abdominal discomfort, it is crucial to seek medical attention. While hemorrhoids and anal fissures are common and often benign causes of rectal bleeding, the presence of other symptoms such as bloating, chest discomfort, and headaches could indicate a more complex issue that requires evaluation.


When to Seek Help:
- Immediate medical attention is warranted if you experience significant bleeding (more than a small amount), dizziness, fainting, or severe abdominal pain.

- Schedule an appointment with a healthcare provider if you notice blood in your stool, especially if it persists or is accompanied by other concerning symptoms like weight loss, changes in bowel habits, or persistent abdominal pain.


Diagnostic Approach:
Your healthcare provider may recommend several tests to determine the cause of your rectal bleeding, including:
- Physical examination: A thorough examination, including a digital rectal exam, can help assess for hemorrhoids or fissures.

- Colonoscopy: This procedure allows the doctor to view the inside of your colon and rectum, helping to identify any abnormalities such as polyps or inflammation.

- Blood tests: These can help assess for anemia or other underlying conditions.


Management and Treatment:
The treatment will depend on the underlying cause of the bleeding. For example:
- Hemorrhoids may be treated with dietary changes, topical treatments, or procedures to remove them.

- Anal fissures can often be managed with topical medications and increased fiber intake.

- More serious conditions like diverticulitis or colorectal cancer may require more extensive treatment, including medications or surgery.


Conclusion:
In summary, while rectal bleeding can be caused by various conditions, it is essential to take it seriously, especially when accompanied by other symptoms. Seeking medical advice promptly will help ensure that any serious conditions are ruled out and that appropriate treatment is initiated. Remember to maintain a healthy diet rich in fiber, stay hydrated, and avoid straining during bowel movements to help prevent future issues.

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