Blood in Stool: Causes and What to Do Next - Gastroenterology and Hepatology

Blood in the stool?

Hello Doctor: Over the past month, I have been noticing some blood in my stool intermittently.
Recently, I have experienced blood dripping after passing gas following a bowel movement.
When I wipe with toilet paper after a bowel movement, there is bright red blood, but there is no blood when I pass gas without having a bowel movement.
I really don't know what to do.
It's hard for me to accept that I might have some illness.
Can you please tell me what might be happening? Thank you.

Cai Xiaojie, 20~29 year old female. Ask Date: 2015/07/09

Dr. Chen Qifeng reply Gastroenterology and Hepatology

Hello, rectal bleeding without other symptoms is most commonly caused by hemorrhoids (internal hemorrhoids).
It is recommended to increase the intake of fruits and vegetables while reducing irritating foods.
If there is no improvement, please consult a colorectal surgeon.
Wishing you safety and health.
Sincerely, Dr.
Chi-Feng Chen, Attending Physician, Gastroenterology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2015/07/09

More Info

When it comes to the presence of blood in stool, it is essential to understand that this symptom can arise from a variety of causes, some of which may be benign, while others could indicate a more serious underlying condition. The fact that you are experiencing bright red blood when wiping after a bowel movement suggests that the source of the bleeding is likely to be in the lower gastrointestinal tract, such as the rectum or anus, rather than from higher up in the digestive system.

Common causes of bright red blood in stool include:
1. Hemorrhoids: Swollen blood vessels in the rectal area can bleed during bowel movements, especially if there is straining involved. This is one of the most common causes of bright red blood in stool.

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

3. Diverticular Disease: Diverticulosis, which involves the formation of small pouches in the colon wall, can lead to diverticulitis, where these pouches become inflamed or infected, potentially causing bleeding.

4. Colorectal Polyps or Cancer: While less common, polyps (growths on the colon lining) can bleed, and colorectal cancer can also present with blood in the stool.

5. Gastrointestinal Infections: Certain infections can cause inflammation and bleeding in the gastrointestinal tract.

Given your symptoms of blood in the stool, it is crucial to seek medical attention promptly. A healthcare provider will likely recommend a thorough evaluation, which may include:
- Physical Examination: A digital rectal exam can help assess for hemorrhoids or fissures.

- Anoscopy or Sigmoidoscopy: These procedures allow the doctor to visualize the rectum and lower colon to identify any abnormalities.

- Colonoscopy: If necessary, a full colonoscopy may be performed to examine the entire colon and potentially take biopsies if any suspicious areas are found.

- Blood Tests: To check for anemia or other underlying conditions.

It is understandable to feel anxious about the possibility of a serious condition, but many causes of blood in the stool are treatable, especially when addressed early. It is essential to avoid self-diagnosing and to consult with a healthcare professional who can provide a proper diagnosis and treatment plan based on your specific situation.

In the meantime, try to monitor your symptoms closely. Note any changes in the frequency or amount of blood, any associated symptoms such as pain, changes in bowel habits, or weight loss. This information will be valuable for your healthcare provider in determining the best course of action.

In summary, while the presence of blood in your stool can be alarming, many potential causes are manageable. Seeking medical advice is the best step you can take to ensure your health and peace of mind.

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