Blood Clots in Stool: Causes and Concerns - Surgery

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Blood clots in stool?


Hello doctor, last night I had to strain during bowel movements, and the stool was dark brown.
There were a few blood clots when I wiped...
This is the first time this has happened, and it has continued.
There is blood in the toilet and on the toilet paper...
I usually drink very little water and have hard stools; could this be related? I'm not sure what the problem is...

Bi, 20~29 year old female. Ask Date: 2016/10/22

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 bowel movements.
Warm sitz baths may also help alleviate symptoms.
You can purchase hemorrhoidal suppositories at the pharmacy for use, but it is best not to take laxatives indiscriminately.
At this age, increasing the intake of dietary fiber and fluids should be sufficient.
If bleeding persists, it is advisable to consult a physician for evaluation.

Reply Date: 2016/10/22

More Info


When it comes to the presence of blood clots in stool, it is essential to approach the situation with caution and awareness of potential underlying health issues. The symptoms you describe—dark brown stool accompanied by blood clots—can be indicative of several conditions, and it is crucial to understand the possible causes and when to seek medical attention.

Firstly, the color and consistency of your stool can provide valuable information about your digestive health. Dark brown stool can be a result of various factors, including diet, hydration levels, and gastrointestinal health. If you are experiencing hard stools, this could suggest constipation, which is often exacerbated by inadequate fluid intake and dietary fiber. Straining during bowel movements, as you mentioned, can lead to small tears in the anal area, known as anal fissures, which can cause bleeding. This type of bleeding is usually bright red and may appear on the toilet paper or in the toilet bowl.

However, the presence of blood clots is concerning and warrants further investigation. Blood in the stool can arise from several sources within the gastrointestinal tract, including:
1. Hemorrhoids: Swollen blood vessels in the rectal area can bleed, especially during bowel movements. This is a common cause of blood in the stool and can often be managed with lifestyle changes and topical treatments.

2. Anal Fissures: As mentioned, these are small tears in the lining of the anus that can occur due to straining or passing hard stools. They can cause sharp pain and bleeding during bowel movements.

3. Diverticular Disease: Diverticulosis involves the formation of small pouches in the colon wall, which can become inflamed or infected, leading to diverticulitis. This condition can cause bleeding and changes in bowel habits.

4. Gastrointestinal Infections: Certain infections can lead to inflammation and bleeding in the intestines, resulting in blood in the stool.

5. Polyps or Colorectal Cancer: Although less common, the presence of polyps or cancer in the colon can lead to bleeding. This is particularly concerning if you have risk factors such as a family history of colorectal cancer or if you are over the age of 50.

Given your symptoms, it is advisable to consult a healthcare professional, preferably a gastroenterologist, who can perform a thorough evaluation. They may recommend diagnostic tests such as a colonoscopy, which allows for direct visualization of the colon and rectum, and can help identify any abnormalities.

In the meantime, consider making some lifestyle adjustments to improve your bowel health. Increasing your water intake and incorporating more fiber-rich foods into your diet can help soften your stool and reduce straining during bowel movements. Foods high in fiber include fruits, vegetables, whole grains, and legumes. Additionally, regular physical activity can promote healthy digestion and bowel regularity.

In summary, while the presence of blood in your stool can be alarming, it is essential to approach the situation with a clear understanding of potential causes. Straining and hard stools are likely contributing factors, but the presence of blood clots necessitates further investigation to rule out more serious conditions. Seeking medical advice promptly will ensure that you receive the appropriate care and guidance for your symptoms.

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