Blood in Stool: Causes and When to Seek Help - Surgery

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Rectal bleeding


Hello, Dr.
Wang! I noticed a significant amount of blood in the toilet when I had a bowel movement, and there were also blood stains on the toilet paper when I wiped.
It doesn't feel like there's a wound in my anus, and I don't have any abdominal pain.
What could this be? I do know that I sometimes experience constipation!

yi yi yi yi, 20~29 year old female. Ask Date: 2004/06/03

Dr. Wang Qichao reply Surgery


Hello: Any mucosal or skin defect can cause bleeding.
Therefore, bleeding from ruptured hemorrhoidal tissue, anal fissures, tumors, and intestinal inflammation are all potential causes of bleeding.
In younger individuals without any risk factors (such as family history, chronic inflammatory bowel disease, or history of polyps), the theoretical likelihood of developing cancer is relatively low, while the likelihood of hemorrhoids or anal fissures is higher.
However, this is merely a theoretical assumption.
The best strategy is to seek medical evaluation as soon as possible to avoid delays.
Sincerely, Dr.
Wang Qichao, Department of Surgery, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2004/06/03

More Info


When you notice blood in your stool, it can be alarming, and it's essential to understand the potential causes and when to seek medical help. Blood in the stool can indicate various conditions, some of which may require immediate attention.


Possible Causes of Blood in Stool
1. Hemorrhoids: One of the most common causes of blood in the stool, especially if the blood is bright red and appears on the toilet paper or in the toilet bowl. Hemorrhoids are swollen veins in the lower rectum or anus that can bleed during bowel movements.

2. Anal Fissures: These are small tears in the lining of the anus, often caused by passing hard stools. They can lead to bright red blood on the toilet paper or in the stool.

3. Diverticular Disease: Diverticulosis and diverticulitis can cause bleeding in the digestive tract. Diverticulosis involves the formation of small pouches in the colon wall, while diverticulitis occurs when these pouches become inflamed or infected.

4. Gastrointestinal Infections: Certain infections can cause inflammation and bleeding in the gastrointestinal tract, leading to blood in the stool. This can be accompanied by diarrhea, fever, and abdominal pain.

5. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease and ulcerative colitis can cause inflammation and ulceration in the intestines, leading to blood in the stool.

6. Polyps or Colorectal Cancer: Polyps are benign growths that can develop in the colon and may bleed. In some cases, they can be precursors to colorectal cancer, which can also cause blood in the stool.

7. Other Causes: Other less common causes include vascular malformations, gastrointestinal tumors, and certain medications that can affect blood clotting.


When to Seek Medical Help
You should seek medical attention if you experience any of the following:
- Significant Amount of Blood: If you notice a large volume of blood in the toilet or on toilet paper, it is crucial to seek medical help immediately.

- Accompanying Symptoms: If you experience symptoms such as severe abdominal pain, dizziness, fainting, or changes in your bowel habits, you should consult a healthcare provider.

- Persistent Symptoms: If the bleeding continues or if you have recurrent episodes of blood in your stool, it is essential to get evaluated by a doctor.

- Changes in Stool Color: Dark, tarry stools can indicate bleeding from the upper gastrointestinal tract and require prompt medical evaluation.


Conclusion
While some causes of blood in the stool may be benign, others can indicate serious health issues. Given your description of the situation—seeing a significant amount of blood without accompanying pain—it is advisable to consult a healthcare professional for a thorough evaluation. They may recommend diagnostic tests such as a colonoscopy or imaging studies to determine the underlying cause of the bleeding.

In the meantime, if you are experiencing constipation, it may be beneficial to increase your fiber intake, stay hydrated, and consider gentle laxatives if necessary. However, do not delay seeking medical advice, as timely intervention can be crucial in addressing any potential health concerns.

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