Changes in Bowel Movements: Causes and Concerns

Bowel issues

I have recently been experiencing irregular bowel movements.
Initially, my stool was of normal size, but during the second time, it became much thinner and had a loose consistency similar to diarrhea.
Additionally, I don't feel much sensation when passing stool.
Could you please explain what might be causing this?

Mr. Hsu, 10~19 year old female. Ask Date: 2016/11/09

Dr. Ke Fangxu reply Surgery

Based on your description, it seems more like Irritable Bowel Syndrome (IBS).
It is recommended to start with a light diet and maintain a good daily routine.
Spicy, irritating, and greasy foods should be avoided.
If symptoms persist without improvement, you may consult a physician for medication.
If there is still no improvement or if you are very concerned, you can also arrange for a colonoscopy.

Reply Date: 2016/11/09

More Info

Changes in bowel movements can be concerning, especially when accompanied by other symptoms. It’s important to understand that various factors can influence bowel habits, including diet, stress, physical activity, and underlying medical conditions. Based on your description, it seems you have experienced a shift in your bowel habits, with a transition from normal-sized stools to thinner, looser stools, which could indicate several potential issues.

Firstly, the change in stool size and consistency may be related to dietary changes. If you have recently altered your diet, such as increasing fiber intake or consuming more processed foods, this could lead to variations in bowel movements. A diet low in fiber can result in harder stools, while a sudden increase in fiber can lead to looser stools and more frequent bowel movements. Additionally, dehydration can also affect stool consistency, making it more difficult to pass.

Secondly, stress and anxiety can significantly impact gastrointestinal function. The gut-brain connection is well-documented, and stress can lead to symptoms such as diarrhea or constipation. If you are experiencing increased stress or anxiety, this could be contributing to your bowel changes. Conditions like irritable bowel syndrome (IBS) often manifest with changes in bowel habits, including alternating between diarrhea and constipation, and are frequently triggered by stress.

In your case, the fact that you are experiencing thinner stools and a sensation of incomplete evacuation could also raise concerns about potential underlying gastrointestinal issues. While it is less common for bowel cancer to present with such rapid changes in bowel habits, it is essential to monitor your symptoms closely. Early signs of colorectal cancer can include changes in bowel habits, such as diarrhea or constipation, blood in the stool, unexplained weight loss, and abdominal pain. However, these symptoms typically develop over a more extended period rather than occurring suddenly.

If you are noticing persistent changes in your bowel habits, especially if they are accompanied by other concerning symptoms such as abdominal pain, weight loss, or blood in the stool, it is crucial to consult a healthcare professional. They may recommend diagnostic tests, such as a colonoscopy, to rule out any serious conditions, including colorectal cancer.

In summary, while changes in bowel movements can be attributed to various factors, it is essential to pay attention to your body and seek medical advice if you have concerns. Keeping a record of your symptoms, including the frequency, size, and consistency of your stools, as well as any accompanying symptoms, can be helpful for your healthcare provider in determining the underlying cause and appropriate treatment. Remember, early intervention is key in addressing any potential health issues.

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