Abnormal Stool: Causes and When to Seek Help - Gastroenterology and Hepatology

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Bowel issues


Hello Doctor: Recently, I visited a gastroenterologist due to bloating and increased flatulence, and I am currently undergoing treatment with medication, which has improved my condition.
However, over the past two days, I have observed that my stool sometimes has a red gelatinous (mucous-like?) substance on the surface, and there are also black particles mixed in with the stool.
I would like to ask if this could be food residue, hemorrhoids (which I have been treated for before, but recently I have felt a sensation of blockage near the anus after bowel movements), or if I should consider scheduling a colonoscopy? Thank you, Doctor!

C, 20~29 year old female. Ask Date: 2021/09/04

Dr. Cai Anshun reply Gastroenterology and Hepatology


Hello: Overall, it does not appear to be bleeding.
The red substance may be influenced by food.
Additionally, next time, you can observe the water in the toilet; if it is not stained red, it is less likely to be bleeding.
As for whether to perform a colonoscopy, it should be determined by a clinical physician, and there may not be a necessity for a colonoscopy.
It is recommended to consult a gastroenterologist.
Changhua Hospital cares about your health.
Dr.
Tsai An-shun.

Reply Date: 2021/09/04

More Info


Understanding abnormal stool can be crucial for identifying underlying health issues. Based on your description, it seems you are experiencing some concerning symptoms, including the presence of red, gel-like substances and black material mixed with your stool. Let's break down what these symptoms could indicate and when you should seek further medical attention.


Possible Causes of Abnormal Stool
1. Mucus in Stool: The presence of mucus in your stool can be normal, as the intestines produce mucus to help with the passage of stool. However, if you notice an increase in mucus or if it appears alongside other symptoms, it could indicate an underlying issue such as:
- Irritable Bowel Syndrome (IBS): This condition can lead to increased mucus production.

- Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation and increased mucus.

- Infections: Certain infections can lead to increased mucus production as well.

2. Red or Black Material: The appearance of red or black substances in your stool can be more concerning:
- Red Material: This could indicate the presence of blood, which may come from hemorrhoids, anal fissures, or more serious conditions like diverticulitis or colorectal cancer. If the red substance is bright, it often suggests a lower gastrointestinal source.

- Black Material: Black stool can be a sign of bleeding in the upper gastrointestinal tract, such as from ulcers or gastritis. It can also be caused by certain foods (like black licorice or beets) or iron supplements.

3. Food Residue: Sometimes, undigested food can appear in your stool, especially if you have a diet high in fiber or if your digestive system is not breaking down food properly. However, if you notice unusual colors or textures, it’s worth investigating further.


When to Seek Help
Given your symptoms and previous gastrointestinal issues, it is advisable to consult a healthcare professional, especially if you experience any of the following:
- Persistent Symptoms: If the mucus or abnormal coloration in your stool continues or worsens.

- Accompanying Symptoms: If you experience additional symptoms such as abdominal pain, weight loss, changes in appetite, or fatigue.

- Changes in Bowel Habits: If you notice significant changes in your bowel habits, such as diarrhea or constipation that lasts more than a few days.

- History of Gastrointestinal Issues: Given your previous treatment for hemorrhoids and current gastrointestinal symptoms, it’s important to rule out any serious conditions.


Diagnostic Procedures
If your healthcare provider deems it necessary, they may recommend further diagnostic tests, such as:
- Colonoscopy: This procedure allows for direct visualization of the colon and can help identify any abnormalities, such as polyps or inflammation.

- Stool Tests: These can help identify infections, blood, or other abnormalities in your stool.

- Imaging Studies: In some cases, imaging studies like a CT scan may be warranted to assess for structural issues in the gastrointestinal tract.


Conclusion
While some variations in stool can be benign, the combination of red and black substances, along with your history of gastrointestinal issues, warrants further evaluation. It’s essential to communicate openly with your healthcare provider about your symptoms and concerns. Early detection and intervention can significantly improve outcomes, especially if there are underlying conditions that need to be addressed. Always prioritize your health and seek medical advice when in doubt.

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