Bowel Issues: Incomplete Evacuation and Residual Stool - Gastroenterology and Hepatology

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Bowel-related issues?


Recently, I've been experiencing a situation where a small amount of stool comes out when I squat or exert pressure on my abdomen after having a bowel movement.
The stool is normal and not hard, but when I flush with water, some residual stool comes out.
Is this normal? I feel like I haven't completely emptied my bowels, but no matter how hard I try, I can't get any more out.
What could be the issue? Thank you, doctor.

Jia You, 50~59 year old female. Ask Date: 2024/05/31

Dr. Chen Shidian reply Gastroenterology and Hepatology


It may be a bowel dysfunction, and it is also necessary to rule out any rectal structural issues.
A rectal examination or a fecal occult blood test may be required.

Reply Date: 2024/05/31

More Info


Incomplete evacuation and the sensation of residual stool can be concerning and may indicate several underlying issues. Based on your description, it seems that you are experiencing a feeling of incomplete bowel movements, where even after a bowel movement, you still feel as though there is stool left in your rectum. This can be frustrating and uncomfortable, and it is important to understand the potential causes and solutions.

One common reason for the sensation of incomplete evacuation is functional bowel disorders, such as irritable bowel syndrome (IBS) or functional constipation. In these conditions, the normal motility of the intestines is disrupted, leading to difficulties in bowel movements. Patients may experience alternating episodes of diarrhea and constipation, bloating, and discomfort. Stress and anxiety can exacerbate these symptoms, which may be particularly relevant if you have a history of mental health issues.

Another potential cause could be rectal dysfunction, which can occur due to various factors, including pelvic floor dysfunction or issues with the anal sphincter. If the muscles that control bowel movements do not function properly, it can lead to difficulties in fully evacuating the bowels. This can sometimes be assessed through a specialized test called anorectal manometry, which measures the pressures and function of the anal sphincter and rectum.

Additionally, hemorrhoids or anal fissures can create discomfort during bowel movements, leading to a feeling of incomplete evacuation. If there is pain or bleeding associated with bowel movements, it is essential to seek medical evaluation.

You mentioned that your stools are normal in shape and consistency, which is a positive sign. However, if you are experiencing mucus or any unusual changes in your stool, it could indicate an underlying issue such as inflammatory bowel disease (IBD), which includes conditions like ulcerative colitis or Crohn's disease. These conditions can cause inflammation in the gastrointestinal tract, leading to symptoms such as diarrhea, abdominal pain, and the sensation of incomplete evacuation.

Given your symptoms, it is advisable to consult with a healthcare professional who can perform a thorough evaluation, including a physical examination and possibly further testing, such as imaging studies or endoscopy, if indicated. They may also recommend dietary changes, increased fiber intake, or medications to help regulate bowel movements and improve your symptoms.

In the meantime, here are some general tips that may help alleviate your symptoms:
1. Dietary Adjustments: Increase your intake of fiber-rich foods, such as fruits, vegetables, and whole grains. Fiber can help bulk up your stool and promote regular bowel movements.

2. Hydration: Ensure you are drinking plenty of water throughout the day, as adequate hydration is essential for healthy bowel function.

3. Regular Exercise: Engaging in regular physical activity can help stimulate bowel motility and improve overall digestive health.

4. Relaxation Techniques: If stress is a contributing factor, consider practicing relaxation techniques such as deep breathing, yoga, or meditation to help manage anxiety.

5. Scheduled Bathroom Time: Try to establish a regular schedule for bowel movements, allowing yourself enough time to relax and avoid rushing.

In conclusion, while the sensation of incomplete evacuation can be distressing, it is often manageable with appropriate lifestyle changes and medical guidance. Please do not hesitate to reach out to your healthcare provider for personalized advice and treatment options tailored to your specific situation.

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