Mucus in Stool: Causes and When to Seek Help - Gastroenterology and Hepatology

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The stool is sticky and light brown, but I have recently had a gastrointestinal flu. Occasionally, there is blood when wiping after a bowel movement due to anal fissures, and it is painful to use the restroom?


In the past two weeks, I've been experiencing gastrointestinal flu symptoms and have had irregular bowel movements, whereas I usually have a normal daily routine.
Occasionally, I feel pain in my buttocks, and I've noticed bright red blood on the toilet paper after wiping, which I suspect could be from an anal fissure or hemorrhoids.
I thought it would improve on its own, so I haven't seen a doctor.
However, today after a bowel movement, I noticed a light brown mucus on the toilet paper, and I'm concerned that there might be an issue with my gastrointestinal tract.

tt, 20~29 year old female. Ask Date: 2021/02/03

Dr. Chen Shidian reply Gastroenterology and Hepatology


If there is pain in the anus, it is advisable to seek treatment at an outpatient clinic.

Reply Date: 2021/02/03

More Info


Understanding mucus in stool can be concerning, especially when accompanied by other symptoms like pain and blood. Mucus is a slippery substance produced by the intestines and is usually present in small amounts in stool. However, an increase in mucus can indicate various gastrointestinal issues.

In your case, the recent gastrointestinal illness you experienced may have disrupted your normal bowel function. Gastroenteritis, commonly known as a stomach virus, can lead to inflammation of the intestines, which may increase mucus production. This is a natural response as the body attempts to protect the intestinal lining from irritation and infection.

The presence of fresh red blood on toilet paper suggests that there may be an issue in the lower gastrointestinal tract, such as hemorrhoids or anal fissures. Hemorrhoids are swollen blood vessels in the rectal area that can cause pain and bleeding, especially during bowel movements. Anal fissures, which are small tears in the lining of the anus, can also lead to sharp pain and bleeding. Both conditions can be exacerbated by straining during bowel movements, which may occur if you are experiencing constipation or irregular bowel habits.

The appearance of brown mucus in your stool could be a sign of several conditions. While it can be a benign finding, it may also indicate underlying issues such as:
1. Irritable Bowel Syndrome (IBS): A common disorder that affects the large intestine, leading to symptoms like cramping, abdominal pain, bloating, gas, diarrhea, and constipation. Mucus in the stool can be a symptom of IBS.

2. Infections: Bacterial, viral, or parasitic infections can lead to increased mucus production as the body fights off the infection.

3. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation in the digestive tract, leading to symptoms such as diarrhea, abdominal pain, and mucus in the stool.

4. Colorectal Issues: Polyps or tumors in the colon can also lead to changes in stool consistency and the presence of mucus.

Given your symptoms, it is important to seek medical attention, especially since you have noticed changes in your bowel habits and the presence of blood. A healthcare provider can perform a thorough evaluation, which may include a physical examination, a review of your medical history, and possibly diagnostic tests such as a stool test, colonoscopy, or imaging studies to determine the underlying cause of your symptoms.

In summary, while mucus in stool can be a normal finding, an increase in mucus, especially when accompanied by blood and pain, warrants further investigation. It is advisable to consult a healthcare professional to ensure that any potential issues are addressed promptly and appropriately. Early diagnosis and treatment can help prevent complications and improve your overall gastrointestinal health.

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