Blood in Stool: Symptoms and When to Seek Help - Gastroenterology and Hepatology

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Rectal bleeding


Hello doctor, I recently noticed blood on the toilet paper after having a bowel movement, but there was no blood in the toilet.
A few days later, there was no bleeding, but I experienced a burning sensation in my rectum, and I have a dull ache in my lower left abdomen.
It feels somewhat vague, and I'm very worried that it might be colon cancer.
This has been troubling and concerning me, but I still haven't dared to go to the hospital.

Taker, 10~19 year old female. Ask Date: 2016/12/23

Dr. Chen Shidian reply Gastroenterology and Hepatology


Hello, it is likely caused by internal hemorrhoids and inflammation.
You can visit the outpatient clinic to receive treatment with topical ointments.
Changhua Hospital cares about your health.
Chen Shidian.

Reply Date: 2016/12/23

More Info


When it comes to the presence of blood in stool, it is essential to approach the situation with caution and awareness of the potential underlying causes. Blood in the stool can be alarming, and while it may not always indicate a severe condition, it is crucial to understand the symptoms and know when to seek medical help.

In your case, you mentioned noticing blood on the toilet paper after a bowel movement, but not in the toilet itself. This could suggest that the bleeding is coming from a source near the anus, such as hemorrhoids or anal fissures, rather than from deeper within the gastrointestinal tract. Hemorrhoids are swollen veins in the lower rectum or anus that can cause discomfort, itching, and bleeding, especially during bowel movements. Anal fissures, on the other hand, are small tears in the lining of the anus that can also lead to pain and bleeding.

The "burning" sensation you described in your rectal area, along with the left lower abdominal discomfort, could be related to these conditions. However, it is important to note that while hemorrhoids and fissures are common and often benign, other more serious conditions can also cause similar symptoms, including diverticulitis, inflammatory bowel disease (IBD), and colorectal cancer.

Given your concerns about colorectal cancer, it is understandable to feel anxious. Colorectal cancer can present with symptoms such as changes in bowel habits, unexplained weight loss, persistent abdominal pain, and blood in the stool. However, it is important to remember that many other conditions can cause similar symptoms, and the presence of blood does not automatically indicate cancer.

Here are some recommendations on when to seek medical help:
1. Persistent Symptoms: If you continue to notice blood in your stool, even if it is only on the toilet paper, or if you experience persistent abdominal pain, it is advisable to consult a healthcare professional.

2. Changes in Bowel Habits: If you notice significant changes in your bowel habits, such as diarrhea or constipation lasting more than a few days, or if you experience a change in the consistency of your stool, it is important to seek medical advice.

3. Accompanying Symptoms: If you experience additional symptoms such as unexplained weight loss, fatigue, or changes in appetite, these could be signs of a more serious condition that warrants further investigation.

4. Family History: If you have a family history of colorectal cancer or other gastrointestinal diseases, it is especially important to discuss your symptoms with a healthcare provider.

5. Anxiety and Worry: If your symptoms are causing you significant anxiety or distress, it is always better to err on the side of caution and seek medical advice. A healthcare professional can help assess your symptoms, provide reassurance, and recommend appropriate tests or treatments if necessary.

In conclusion, while the presence of blood in your stool can be concerning, it is essential to approach the situation with a clear understanding of potential causes and symptoms. It is always best to consult a healthcare professional who can provide a thorough evaluation and guide you on the next steps. Early intervention can lead to better outcomes, so do not hesitate to seek help if you are worried about your health. Remember, your well-being is paramount, and addressing your concerns with a medical professional is a proactive step towards maintaining your health.

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