Stool Issues: What Does Your Bowel Size Indicate? - Gastroenterology and Hepatology

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Bowel-related issues?


Hello, doctor.
Last January, I experienced bleeding and underwent a digital rectal examination and anoscopy, which revealed the presence of internal hemorrhoids.
Currently, my situation is as follows: In the past month or two, I have been experiencing anxiety due to non-menstrual bleeding, which has led to frequent diarrhea (loose stools).
Since last month, my stools have become somewhat more formed, but they are still mostly loose and soft, breaking apart easily upon contact.
Most of my stools are about the thickness of my thumb or middle finger.
I only have one or two days a month where my stools are of normal thickness (approximately two fingers wide); the rest of the time, they are thin and soft, sometimes loose, and occasionally a bit firmer, but still only the thickness of my thumb or middle finger.
My stools often contain food remnants such as chili skin, sesame seeds, and vegetable scraps, and I occasionally feel a bit bloated.
I have a bowel movement once a day, typically in the morning upon waking.

1.
Is it normal for my stools to be the thickness of my thumb or middle finger?
2.
What could be the possible causes of this condition?

Niming, 20~29 year old female. Ask Date: 2023/02/15

Dr. Chen Shidian reply Gastroenterology and Hepatology


Still normal, can continue to observe and maintain a low-fat, low-dairy diet.

Reply Date: 2023/02/15

More Info


Based on your description, it appears that you are experiencing a range of gastrointestinal symptoms that could be indicative of several underlying issues. The fact that you have a history of hemorrhoids and have experienced rectal bleeding is significant and warrants careful consideration. Let's break down your concerns and provide some insights into what might be happening.

1. Stool Size and Consistency: The size and consistency of your stools can vary for many reasons. Generally, stools that are the size of your thumb or index finger can still be considered within the normal range, especially if they are soft and pass easily. However, the fact that your stools are often soft and break apart easily may suggest that you are experiencing some degree of diarrhea or loose stools. This can be influenced by dietary factors, stress, or underlying gastrointestinal conditions.

2. Possible Causes: Given your history of hemorrhoids and recent stress-related gastrointestinal symptoms, several factors could be contributing to your current stool characteristics:
- Dietary Factors: If your diet lacks sufficient fiber, it can lead to softer stools. Foods high in fiber, such as fruits, vegetables, and whole grains, help bulk up the stool and promote regularity. The presence of food remnants like chili skins and vegetable fibers in your stool suggests that you might be consuming a diet that includes fibrous foods, but perhaps not enough to achieve optimal stool consistency.

- Irritable Bowel Syndrome (IBS): Your symptoms could also be indicative of IBS, a common condition that affects the large intestine and can cause symptoms like cramping, abdominal pain, bloating, gas, and changes in bowel habits. Stress and anxiety can exacerbate IBS symptoms, leading to diarrhea or loose stools.

- Hemorrhoids: The presence of hemorrhoids can also affect bowel movements. Straining during bowel movements can lead to pain and discomfort, which may cause you to alter your bowel habits, potentially leading to softer stools.

- Infection or Inflammation: If you experience any additional symptoms such as fever, significant abdominal pain, or prolonged changes in bowel habits, it may be worth considering an infection or inflammatory condition.

3. Bowel Movement Frequency: Having a bowel movement once a day is generally considered normal, but the quality of the stool is just as important as the frequency. If your stools are consistently loose or vary significantly in size and consistency, it may be beneficial to keep a food diary to identify any patterns related to your diet and bowel habits.

4. When to Seek Medical Attention: If you notice any alarming symptoms such as significant weight loss, persistent abdominal pain, or blood in your stool, it is crucial to seek medical attention. Given your history of rectal bleeding, any recurrence of this symptom should be evaluated by a healthcare professional.

5. Recommendations:
- Dietary Adjustments: Aim to increase your fiber intake gradually. This can help improve stool consistency. Consider incorporating more fruits, vegetables, and whole grains into your diet.

- Hydration: Ensure you are drinking enough water throughout the day, as hydration is essential for healthy bowel function.

- Stress Management: Since stress can significantly impact gastrointestinal health, consider incorporating stress-reducing techniques such as mindfulness, yoga, or regular exercise into your routine.

- Consult a Specialist: If your symptoms persist or worsen, it may be beneficial to consult a gastroenterologist who can perform further evaluations, such as a colonoscopy, if necessary, to rule out any serious conditions.

In summary, while the size of your stools can vary and may not be alarming on its own, the consistency and accompanying symptoms are important to monitor. Making dietary changes, managing stress, and seeking medical advice when necessary can help improve your gastrointestinal health.

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