Why Is My Stool Thin and Blood-Streaked? When to Seek Medical Help

Stool becomes thin and contains blood streaks?

I have recently noticed that my stool has become thinner, although the consistency is normal.
Occasionally, there are noticeable traces of blood on it.
Should I go to the hospital for an examination? Which department should I see? What tests should be done?

Ai Ai, 20~29 year old female. Ask Date: 2016/02/19

Dr. Ke Fangxu reply Surgery

Narrow stools are often caused by prolonged bowel movements.
Although the likelihood of developing colorectal cancer at the age of 20 is not zero, it is generally very low.
It is recommended to maintain a light diet and a good lifestyle, increase the intake of dietary fiber, and shorten the time spent on bowel movements, which can naturally improve this condition.
If there are still significant concerns, it may be advisable to consult a colorectal surgeon or a gastroenterologist for evaluation.
If necessary, a colonoscopy or sigmoidoscopy can be arranged.

Reply Date: 2016/02/19

More Info

Experiencing thin, blood-streaked stool can be concerning and warrants prompt medical attention. The presence of blood in your stool, even if it appears as streaks, can indicate various underlying health issues, some of which may require immediate intervention.

Possible Causes
1. Hemorrhoids: One of the most common causes of blood-streaked stool is hemorrhoids, which are swollen veins in the lower rectum or anus. They can cause bleeding during bowel movements, often resulting in bright red blood on the stool or toilet paper.

2. Anal Fissures: These are small tears in the lining of the anus, often caused by passing hard stools. They can lead to pain and bleeding during bowel movements.

3. Diverticular Disease: Diverticulosis, a condition where small pouches form in the colon wall, can lead to diverticulitis, which may cause bleeding.

4. Colorectal Polyps or Cancer: Polyps are growths on the lining of the colon that can bleed. Some polyps can develop into colorectal cancer, which is a serious condition that requires early detection and treatment.

5. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation in the gastrointestinal tract, leading to symptoms such as diarrhea, abdominal pain, and blood in the stool.

6. Infections: Certain infections can cause gastrointestinal bleeding, leading to blood in the stool.

When to Seek Medical Help
You should seek medical attention if you notice:
- Persistent blood in your stool.

- Changes in bowel habits, such as diarrhea or constipation.

- Abdominal pain or discomfort.

- Unexplained weight loss.

- Symptoms of anemia, such as fatigue, weakness, or pale skin.

Which Specialist to See
For issues related to blood in the stool, you should consult a gastroenterologist. This specialist focuses on the digestive system and its disorders. They can perform a thorough evaluation and determine the underlying cause of your symptoms.

Recommended Tests
Upon visiting a gastroenterologist, they may recommend several tests to diagnose the issue:
1. Physical Examination: This may include a digital rectal exam to check for hemorrhoids or fissures.

2. Blood Tests: These can help assess your overall health and check for signs of anemia or infection.

3. Stool Tests: A stool sample may be analyzed for the presence of blood, pathogens, or other abnormalities.

4. Colonoscopy: This procedure allows the doctor to view the inside of your colon and rectum using a flexible tube with a camera. It can help identify polyps, tumors, or areas of inflammation.

5. Imaging Studies: In some cases, imaging tests like CT scans may be necessary to evaluate the gastrointestinal tract.

Conclusion
In summary, the presence of thin, blood-streaked stool is a symptom that should not be ignored. It can be indicative of various conditions, ranging from benign issues like hemorrhoids to more serious conditions like colorectal cancer. Consulting a gastroenterologist is essential for proper diagnosis and treatment. Early intervention can significantly improve outcomes, especially in cases of serious underlying conditions. If you experience any alarming symptoms, do not hesitate to seek medical help promptly.

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