Flat Stool: Is It a Sign of Digestive Issues? - Gastroenterology and Hepatology

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Bowel issues?


Hello Dr.
Chen, I would like to inquire about something.
For the past six months, my stools have been consistently flat and ribbon-shaped.
Could this be a sign of a disease?

Xiao Liu, 30~39 year old female. Ask Date: 2020/11/30

Dr. Chen Shidian reply Gastroenterology and Hepatology


You can test for occult blood in the stool; make sure to eat plenty of fruits and vegetables!

Reply Date: 2020/11/30

More Info


Flat stools, or stools that appear flattened or ribbon-like, can indeed be a sign of underlying digestive issues, and it's important to understand the potential implications. The shape and consistency of your stool can provide valuable insights into your gastrointestinal health.
In general, normal stool should be well-formed, cylindrical, and easy to pass. When stools become flat or ribbon-like, it may indicate a narrowing of the intestinal passage. This can occur due to several reasons, including:
1. Colon Obstruction: A flat stool can be a sign of a blockage in the colon. This could be due to various factors, such as tumors, strictures (narrowing of the bowel), or inflammatory bowel diseases like Crohn's disease.
2. Benign Growths: Polyps or other benign growths in the colon can also cause changes in stool shape. While polyps are not cancerous, some can develop into colorectal cancer over time.

3. Irritable Bowel Syndrome (IBS): IBS can lead to changes in bowel habits, including the shape of the stool. While IBS is not typically associated with serious disease, it can cause discomfort and affect quality of life.

4. Other Gastrointestinal Disorders: Conditions such as diverticulitis, colitis, or even infections can lead to changes in stool consistency and shape.

Given that you have been experiencing this change for six months, it is advisable to consult a healthcare professional for a thorough evaluation. Here are some steps you can take:
1. Consult a Gastroenterologist: A specialist in digestive disorders can provide a comprehensive assessment. They may recommend diagnostic tests such as a colonoscopy, which allows direct visualization of the colon and can help identify any abnormalities.

2. Keep a Symptom Diary: Documenting your bowel habits, including the frequency, consistency, and any associated symptoms (such as abdominal pain, bloating, or changes in appetite), can be helpful for your doctor in making a diagnosis.

3. Discuss Family History: If there is a family history of gastrointestinal diseases, be sure to mention this to your doctor, as it may influence the evaluation process.

4. Dietary Considerations: Sometimes, dietary factors can influence stool shape. A diet low in fiber can lead to harder, flatter stools. Increasing fiber intake through fruits, vegetables, and whole grains may help normalize stool consistency.

5. Follow-Up: If your doctor recommends tests or treatments, ensure you follow up as needed. Regular monitoring can help catch any potential issues early.

In summary, while flat stools can be benign, they may also indicate a more serious condition that requires attention. It is essential to seek medical advice to determine the underlying cause and appropriate treatment. Early intervention can lead to better outcomes, especially if there are any underlying issues that need to be addressed.

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