Gastrointestinal Issues: Unformed Stools and Tailbone Discomfort

Intestinal discomfort, unformed stools, and coccydynia?

Hello! Symptoms: For the past week, my stools have been unformed, mostly thin like a pencil, and then watery.
{Initially (a week ago), there were two instances of black (watery) stools.} I have bowel movements 2 to 3 times a day, but the symptoms are as described above: first thin, then watery, or sometimes in small pieces (with some liquid after passing).
After wiping, there is often mucus (no blood streaks, and I generally don't feel abdominal pain, but there is mild soreness near the lower tailbone that has lasted almost a week).
There is a family history of colorectal cancer.
Note: My dietary habits (the family primarily relies on takeout meals - these meals are mostly meat with little vegetables and no fruits).
I often consume yogurt or drinks containing probiotics (sometimes on an empty stomach).
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I have some questions for you, doctor: Is it possible that this is rectal inflammation, irritable bowel syndrome, or another issue? I previously looked up information indicating that black stools suggest upper gastrointestinal bleeding.
However, I am not currently experiencing black stools (though there may be occult blood, as sometimes there are small dark brown spots).
Is the soreness near the tailbone related to the rectum? This coincided with the occurrence of blood in the stools (or could it just be due to improper sitting posture or prolonged sitting)? I would appreciate your insights.
Thank you in advance!

Xun zhao da an de mi yang, 20~29 year old female. Ask Date: 2009/09/08

Dr. Chen Qifeng reply Gastroenterology and Hepatology

Hello, gastrointestinal bleeding can result in stools that resemble tar; however, black stools can sometimes be caused by food.
A fecal occult blood test can be performed, as rectal conditions may lead to coccygeal pain, such as intestinal obstruction or inflamed hemorrhoids.
You mentioned that the stools are pencil-thin, which indicates a narrowing of the rectal caliber.
If this is due to constipation or inflamed hemorrhoids, symptoms may improve with treatment.
However, if the condition persists, it is important to be cautious of rectal pathology.
Wishing you good health.
Sincerely, Dr.
You Li-Guang, Taoyuan Hospital, Department of Health.

Reply Date: 2009/09/08

More Info

Your symptoms of unformed stools, occasional black stools, and discomfort near the tailbone raise several important considerations regarding your gastrointestinal health. Given your family history of colorectal cancer, it is crucial to approach this situation with caution and seek appropriate medical evaluation.

Understanding Your Symptoms
1. Unformed Stools: The fact that your stools are often thin, watery, or pellet-like can be indicative of several gastrointestinal issues. Common causes include dietary factors, such as a lack of fiber, which is essential for forming solid stools. Your mention of a diet primarily consisting of takeout with low vegetable and fruit intake may contribute to this issue. Additionally, the consumption of yogurt and probiotic drinks can help regulate bowel movements, but they may not be sufficient if your overall diet lacks fiber.

2. Black Stools: The presence of black stools can indicate upper gastrointestinal bleeding, often due to conditions such as peptic ulcers or gastritis. However, since you mentioned that this has not recurred and you have not observed any blood in your stools recently, it may have been a transient issue. Nonetheless, it is essential to monitor for any recurrence of black stools or other concerning symptoms.

3. Mucus in Stools: The presence of mucus can be a sign of inflammation in the intestines. Conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or infections can lead to increased mucus production. While the absence of blood is reassuring, the presence of mucus warrants further investigation, especially given your family history.

4. Tailbone Discomfort: Discomfort near the tailbone could be related to several factors, including posture, prolonged sitting, or even issues related to the rectum or lower spine. It is essential to consider whether your sitting habits might be contributing to this discomfort. However, if the pain persists or worsens, it may be worth discussing with a healthcare provider.

Potential Conditions
Given your symptoms and family history, several conditions could be considered:
- Irritable Bowel Syndrome (IBS): This functional gastrointestinal disorder is characterized by abdominal pain and changes in bowel habits, including diarrhea and constipation. Stress and dietary factors often exacerbate symptoms.

- Inflammatory Bowel Disease (IBD): Conditions such as Crohn's disease or ulcerative colitis could lead to symptoms like mucus in stools and abdominal discomfort. These conditions often require more extensive evaluation through colonoscopy and imaging studies.

- Colorectal Cancer: Given your family history, it is crucial to rule out colorectal cancer, especially if you experience any changes in bowel habits, unexplained weight loss, or persistent abdominal pain.

Recommendations
1. Dietary Changes: Increasing your fiber intake through fruits, vegetables, and whole grains can help improve stool consistency. Consider consulting with a nutritionist for personalized dietary advice.

2. Medical Evaluation: Given your symptoms and family history, it is advisable to schedule a consultation with a gastroenterologist. They may recommend a colonoscopy to evaluate your colon and rectum thoroughly, especially since you have experienced changes in bowel habits and discomfort.

3. Monitor Symptoms: Keep a detailed record of your bowel movements, including frequency, consistency, and any accompanying symptoms. This information can be invaluable for your healthcare provider in diagnosing your condition.

4. Posture and Activity: Evaluate your sitting habits and consider incorporating regular breaks to stand and move around, which may alleviate tailbone discomfort.

In conclusion, while your symptoms may be related to dietary factors or functional gastrointestinal disorders, your family history necessitates a thorough evaluation to rule out more serious conditions. Taking proactive steps in dietary management and seeking medical advice will be crucial in addressing your gastrointestinal health concerns.

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