Mucus in Stool: Symptoms and Concerns for Teens - Oncology

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Mucus present in stool wiping?


I am currently 14 years old.
Recently, when I wipe after using the bathroom, there is mucus on the toilet paper (similar to clear nasal mucus).
I'm not sure if the amount is a lot or a little, but the mucus usually surrounds the stool.
I'm really worried it might be colon cancer.
During bowel movements, even though I feel like I need to go, I can't seem to pass much.
Today was the first time I had a small piece of stool, and there was a lot of mucus.
The second time I went, I had two small, shaped pieces of stool with almost no mucus, and it wasn't until the second time that I felt completely empty.
The stool color is yellow-brown, which seems normal.

Huang Yaohui, 10~19 year old female. Ask Date: 2018/10/05

Dr. Hu Ziren reply Oncology


There are anal glands located near the anus, which secrete mucus responsible for lubricating the rectal and perianal tissues.
Therefore, this is a normal physiological phenomenon and should not cause excessive concern.

Reply Date: 2018/10/05

More Info


Mucus in stool can be a concerning symptom, especially for a teenager like yourself who is experiencing changes in bowel habits. It's understandable to worry about serious conditions like colorectal cancer, but it's important to remember that mucus in the stool is often not indicative of such severe issues, especially at your age.
Mucus is a normal substance produced by the intestines. It helps to lubricate the bowel and facilitate the passage of stool. However, an increase in mucus, especially if it is noticeable on toilet paper or surrounding the stool, can sometimes indicate an underlying issue. Common causes of increased mucus in the stool include:
1. Irritable Bowel Syndrome (IBS): This is a common gastrointestinal disorder that can cause symptoms such as abdominal pain, bloating, and changes in bowel habits, including diarrhea and constipation. Mucus may be present in the stool as a result of the irritation in the intestines.

2. Infections: Gastrointestinal infections, whether viral or bacterial, can lead to increased mucus production. These infections may also cause diarrhea, cramping, and other gastrointestinal symptoms.

3. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation in the intestines, leading to increased mucus production. These conditions are more serious and often present with additional symptoms such as abdominal pain, weight loss, and persistent diarrhea.

4. Food Intolerances: Certain food intolerances, such as lactose intolerance or gluten sensitivity, can lead to gastrointestinal symptoms, including increased mucus in the stool.

5. Hemorrhoids or Anal Fissures: Sometimes, mucus can be produced in response to irritation from hemorrhoids or anal fissures, especially if there is straining during bowel movements.

Regarding your experience of having difficulty passing stool, this could be related to constipation. Constipation can occur for various reasons, including dietary factors (such as low fiber intake), dehydration, or changes in routine. When stool is hard or difficult to pass, the body may produce more mucus to help lubricate the stool.

Given your symptoms, it is advisable to consult a healthcare professional. They can perform a thorough evaluation, which may include a physical examination and possibly some tests to determine the cause of the increased mucus and any difficulties you are experiencing with bowel movements.
In the meantime, consider the following tips to help manage your symptoms:
- Increase Fiber Intake: Eating more fruits, vegetables, whole grains, and legumes can help promote regular bowel movements and reduce constipation.

- Stay Hydrated: Drinking plenty of water is essential for digestive health and can help soften stool.

- Regular Exercise: Physical activity can help stimulate bowel function and reduce constipation.

- Monitor Your Symptoms: Keep track of any changes in your bowel habits, the amount of mucus, and any other symptoms you may experience.

While it’s natural to be concerned about your health, try not to jump to conclusions about serious conditions like cancer, especially at your age. Many gastrointestinal symptoms can be managed effectively with lifestyle changes and medical guidance. Always seek professional advice for any health concerns to ensure you receive the appropriate care and support.

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