Gastrointestinal Issues: Bloating, Foul Stools, and Gas - Gastroenterology and Hepatology

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Borborygmi, bloating, foul-smelling and sticky stools, and excessive flatulence?


I have had a bowel habit of having soft stools every morning since I turned 20, and they are rarely formed.
I often have to have two bowel movements in the morning (the stools are loose).
In 2007, when I was 37, I noticed that drinking coffee or tea would cause abdominal rumbling and bloating, which would resolve after passing gas in the evening.
As a result, I stopped drinking coffee and tea.
However, I frequently notice foam in my stools (especially if there is rumbling in my lower left abdomen).
Recently, after lunch, even without drinking coffee or tea, I often experience abdominal rumbling and bloating.
If I don't pass gas, I don't feel hungry for dinner and eat very little.
Afterward, when I do pass gas, it has a very foul odor, and my stools have an unusual smell that is not bloody.
The stools are often doughy or muddy in consistency, and when I wipe, the toilet paper has a strong odor.
The stools are sticky and difficult to clean.
Since I am over 40, I am very concerned about the possibility of colon cancer (there is no family history of colon cancer).
I am preparing to go to the hospital for an examination, but I wanted to ask the doctor what the problem might be.

Jeremy, 40~49 year old female. Ask Date: 2013/01/17

Dr. Chen Qifeng reply Gastroenterology and Hepatology


Hello: Based on the symptoms, this has been a long-standing issue, and the likelihood of functional bowel disorder is the highest.
It may be advisable to undergo a colon X-ray or colonoscopy.
Best regards, Dr.
Chi-Feng Chen, Taoyuan Hospital, Department of Health.

Reply Date: 2013/01/17

More Info


Understanding gastrointestinal issues such as bloating, foul stools, and excessive gas can be quite complex, as they may stem from various underlying causes. Based on your description, it seems you have been experiencing a range of symptoms, including soft stools, frequent bowel movements, abdominal noises, bloating, and foul-smelling gas. These symptoms can be indicative of several gastrointestinal conditions, and it is wise to seek medical advice for a thorough evaluation.

Firstly, the consistency and frequency of your stools suggest that you may be dealing with a form of functional gastrointestinal disorder. Conditions such as Irritable Bowel Syndrome (IBS) could be a possibility, especially since you mention that certain foods and beverages, like coffee and tea, exacerbate your symptoms. IBS is characterized by a combination of abdominal pain, bloating, and altered bowel habits, which can include diarrhea or constipation. The fact that you experience relief after passing gas indicates that gas retention may be contributing to your discomfort.

The presence of foul-smelling stools and the description of your stools as "doughy" or "mud-like" could suggest malabsorption issues. Malabsorption occurs when the intestines do not adequately absorb nutrients from food, leading to changes in stool consistency and odor. Conditions such as lactose intolerance, celiac disease, or pancreatic insufficiency can lead to malabsorption. Given that you have noted a change in your bowel habits and stool characteristics, it would be prudent to consider these possibilities.

Additionally, the fact that you have experienced abdominal noises and bloating after meals may indicate that your digestive system is reacting to certain foods. Foods that are high in fermentable carbohydrates, often referred to as FODMAPs, can lead to increased gas production and bloating. Common culprits include beans, lentils, certain fruits (like apples and pears), and dairy products if you are lactose intolerant. It may be beneficial to keep a food diary to identify any patterns between your diet and your symptoms.

Your concern about colorectal cancer, especially since you are over 40, is understandable. While your family history does not indicate a predisposition to colorectal cancer, it is essential to be vigilant about any significant changes in your bowel habits, stool characteristics, or the presence of blood in your stools. Regular screenings, such as colonoscopies, are recommended starting at age 45 for average-risk individuals, and earlier if there are concerning symptoms or family history.

In terms of next steps, I recommend scheduling an appointment with a gastroenterologist who can perform a comprehensive evaluation. This may include a physical examination, a review of your medical history, and possibly diagnostic tests such as blood tests, stool tests, or imaging studies. A colonoscopy may also be warranted to rule out any structural abnormalities or malignancies.

In the meantime, consider making dietary adjustments. Reducing the intake of high-FODMAP foods, avoiding carbonated beverages, and eating smaller, more frequent meals may help alleviate some of your symptoms. Staying hydrated and incorporating fiber gradually into your diet can also support healthy bowel movements.

In summary, your symptoms could be attributed to functional gastrointestinal disorders, malabsorption issues, or dietary intolerances. It is crucial to consult with a healthcare professional for a thorough assessment and appropriate management. Your proactive approach to seeking help is commendable, and with the right guidance, you can work towards improving your gastrointestinal health.

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