Bowel Issues: Symptoms and Possible Causes Explained - Gastroenterology and Hepatology

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Bowel movement issues


Hello Doctor, since high school, I have always felt the urge to have a bowel movement after finishing a meal, so I thought it was normal.
However, recently I have been experiencing persistent discomfort in my abdomen, feeling the need to have a bowel movement.
After passing gas, I feel better, but for the past few days, my stomach has felt like I can't completely empty my bowels.
When I go to the bathroom, I can't seem to relieve myself, and I also experience some bloating in the evenings.
During this time, I sometimes have mild constipation, while at other times I suddenly have diarrhea (without any blood in the stool).
Could this be irritable bowel syndrome, or is it something more serious?

Lin Xiansheng, 20~29 year old female. Ask Date: 2020/09/03

Dr. Chen Shidian reply Gastroenterology and Hepatology


If symptoms persist for more than three months, it may be diagnosed as irritable bowel syndrome (IBS).
It is recommended to maintain a regular and balanced diet, and then monitor the situation.

Reply Date: 2020/09/03

More Info


Understanding bowel issues can be quite complex, as they often involve a variety of symptoms and potential underlying causes. Based on your description, it seems you are experiencing a combination of constipation, diarrhea, and abdominal discomfort, which could indeed point towards a condition known as Irritable Bowel Syndrome (IBS).
IBS is a functional gastrointestinal disorder characterized by a group of symptoms that typically include abdominal pain, bloating, and changes in bowel habits, such as diarrhea or constipation. The exact cause of IBS is not well understood, but it is believed to involve a combination of factors, including abnormal gut motility, increased sensitivity of the intestines, and psychological factors such as stress and anxiety.
Your symptoms of feeling like you cannot fully empty your bowels, along with the alternating episodes of constipation and diarrhea, align with the typical presentation of IBS. The fact that you feel relief after passing gas suggests that gas buildup may be contributing to your discomfort, which is also common in IBS patients. Additionally, the bloating you experience at night could be related to food intake, stress, or other lifestyle factors.

It's important to note that while IBS is a common diagnosis, other conditions can mimic its symptoms. For instance, inflammatory bowel diseases (IBD) such as Crohn's disease or ulcerative colitis, as well as infections, food intolerances (like lactose intolerance or gluten sensitivity), and even gastrointestinal tumors can present with similar symptoms. However, these conditions often come with additional signs, such as weight loss, blood in the stool, or severe abdominal pain, which you have not mentioned.

Given your history of discomfort starting in high school and the recent exacerbation of symptoms, it would be wise to consult a healthcare provider, preferably a gastroenterologist. They can perform a thorough evaluation, which may include a physical examination, blood tests, stool tests, and possibly imaging studies or endoscopy, to rule out any serious underlying conditions.

In terms of management, lifestyle and dietary modifications are often the first line of treatment for IBS. Keeping a food diary can help identify any potential triggers, such as certain foods or eating patterns that exacerbate your symptoms. Common recommendations include:
1. Dietary Changes: Increasing fiber intake can help regulate bowel movements, but it’s important to do this gradually to avoid worsening bloating. Some people find relief by following a low-FODMAP diet, which reduces certain fermentable carbohydrates that can cause gas and bloating.

2. Hydration: Drinking plenty of water is essential, especially if you are experiencing diarrhea or constipation.

3. Regular Exercise: Physical activity can help improve gut motility and reduce stress.

4. Stress Management: Since stress can significantly impact gut health, techniques such as mindfulness, yoga, or cognitive behavioral therapy may be beneficial.

5. Medications: Depending on your specific symptoms, your doctor may recommend medications to help manage IBS, such as antispasmodics for abdominal pain, laxatives for constipation, or anti-diarrheal medications.

In conclusion, while your symptoms may suggest IBS, it is crucial to seek medical advice to rule out other potential conditions. With the right approach, many individuals with IBS can find relief and improve their quality of life.

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