Mucus in Stool: When to Seek Medical Attention - Gastroenterology and Hepatology

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Mucus in stool


Hello Doctor, my bowel movement frequency is once every two days.
Occasionally, I notice transparent mucus, but during my most recent bowel movement, I observed yellow mucus mixed with blood streaks.
Currently, I do not have any abdominal pain or diarrhea.
I would like to ask if I need to go to the hospital for further examination or if I should just monitor the situation for a while.
My fecal occult blood test in June was normal.
Thank you for your time in responding.

Anna, 20~29 year old female. Ask Date: 2019/10/31

Dr. Lin Minghui reply Gastroenterology and Hepatology


Hello: You have mucus and blood in your stool, without abdominal pain, diarrhea, and negative fecal occult blood test.
Possible causes include enteritis and inflammatory bowel disease.
You can monitor your condition, maintain a light diet, and ensure adequate hydration and electrolyte replenishment.
It is also advisable to seek medical attention for a stool test to check for inflammatory bowel disease.
If symptoms persist or recur, or if you experience fever, weight loss, or anemia, it is recommended to seek medical care promptly.
Wishing you peace and health! Dr.
Ming-Hui Lin, Attending Physician, Gastroenterology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2019/10/31

More Info


When it comes to the presence of mucus in stool, especially when accompanied by blood, it is essential to understand the implications and when to seek medical attention. Mucus is a normal component of stool, as it helps to lubricate the intestines and facilitate the passage of stool. However, changes in the characteristics of mucus, such as color, consistency, and the presence of blood, can indicate underlying health issues.

In your case, you mentioned that your bowel movements occur every two days, and you have occasionally noticed transparent mucus. Recently, you observed yellow mucus mixed with blood. While the absence of abdominal pain or diarrhea is a positive sign, the presence of blood in the stool, even in small amounts, warrants further investigation. Blood can indicate a range of conditions, from benign issues like hemorrhoids or anal fissures to more serious conditions such as inflammatory bowel disease (IBD), infections, or even colorectal cancer.

Given that your last fecal occult blood test in June was normal, it is reassuring, but it does not completely rule out the possibility of a new issue arising. The fact that you are experiencing yellow mucus mixed with blood is concerning and should not be ignored. Here are some considerations:
1. Nature of the Blood: If the blood is bright red, it typically indicates that the source of bleeding is closer to the rectum, such as hemorrhoids or anal fissures. Darker blood or maroon-colored blood may suggest bleeding from higher up in the gastrointestinal tract.

2. Accompanying Symptoms: While you currently do not have abdominal pain or diarrhea, it is important to monitor for any new symptoms such as changes in bowel habits, weight loss, fever, or significant changes in appetite.

3. Duration of Symptoms: If the mucus and blood persist or worsen, it is crucial to seek medical attention. Even if symptoms seem mild, the presence of blood is a signal that something may be wrong.

4. Consultation with a Healthcare Provider: It is advisable to consult with a healthcare provider, especially since you have observed a change in your stool characteristics. They may recommend further tests, such as a colonoscopy, to evaluate the cause of the bleeding and mucus production.

5. Self-Monitoring: While you can initially observe your symptoms, do not hesitate to seek medical attention if you notice any worsening of your condition or if new symptoms develop.

In summary, while occasional mucus in stool can be normal, the presence of yellow mucus mixed with blood is concerning and should prompt further evaluation. It is always better to err on the side of caution when it comes to gastrointestinal symptoms, especially those involving blood. Consulting with a healthcare provider will help determine the appropriate next steps and ensure that any potential issues are addressed promptly.

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