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

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Mucus in stool


Doctor, today is the tenth day.
For the first three days, my stools were watery and mushy, and then I lost my appetite and experienced dizziness, which sometimes comes and goes.
My stools have been accompanied by mucus or water.
Initially, my family physician said it was gastroenteritis.
Two days ago, I went to a gastroenterologist for a stool occult blood test, and I won't get the results until January 28.
I'm worried that if this doesn't improve for so long, it might be cancer.
I have been forcing myself to go to the bathroom to check my stools, so I don't go very often, and sometimes I feel a tightness in my abdomen.
Can occult blood in the stool cause dizziness? I've been feeling very anxious and tense lately; could it be something serious?

Wang Daming, 10~19 year old female. Ask Date: 2019/01/16

Dr. Chen Qifeng reply Gastroenterology and Hepatology


The term "occult blood" refers to a small amount of bleeding; significant bleeding is required to potentially cause anemia and dizziness.
The presence of mucus in stools and occult blood after gastroenteritis is actually quite common.
It is recommended to follow a low-fat, low-dairy, bland diet and to receive pharmacological treatment from a gastroenterologist.

Reply Date: 2019/01/16

More Info


Understanding mucus in stool can be a concerning issue, especially when accompanied by other symptoms such as changes in bowel habits, loss of appetite, and dizziness. Mucus is a normal component of stool, produced by the intestines to lubricate and protect the lining of the gut. However, an increase in mucus can indicate underlying gastrointestinal issues.

In your case, the presence of mucus in your stool, along with the changes to a watery or loose consistency, could suggest a few potential causes. The initial diagnosis of gastroenteritis by your family physician is plausible, as this condition can lead to inflammation of the gastrointestinal tract, resulting in increased mucus production. Gastroenteritis can be caused by viral or bacterial infections, and symptoms often include diarrhea, abdominal pain, and sometimes fever.

However, if the symptoms persist beyond a few days or worsen, it is essential to consider other possibilities. Conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD) (which includes Crohn's disease and ulcerative colitis), or even infections like Clostridium difficile can also lead to increased mucus in the stool. The fact that you are experiencing dizziness and loss of appetite raises the concern for dehydration, which can occur with prolonged diarrhea.

Regarding your anxiety about cancer, while it is natural to worry, especially when experiencing unexplained symptoms, it is important to remember that many gastrointestinal issues are benign and treatable. The stool occult blood test you have undergone will help determine if there is any bleeding in the gastrointestinal tract, which can be a sign of more serious conditions, including cancer. However, the presence of mucus alone does not indicate cancer.

Your feelings of tension and anxiety can also exacerbate gastrointestinal symptoms. Stress and anxiety can lead to increased gut motility and changes in bowel habits, which may explain some of your symptoms. It is crucial to manage stress through relaxation techniques, counseling, or other supportive measures.

In summary, while mucus in stool can be concerning, it is often related to benign conditions like gastroenteritis or IBS. The upcoming results from your stool occult blood test will provide more clarity. If the symptoms persist or worsen, or if you experience additional concerning symptoms such as significant weight loss, persistent abdominal pain, or changes in appetite, it is essential to seek further medical evaluation. In the meantime, focus on staying hydrated, maintaining a balanced diet, and managing stress levels. If you have any further concerns or questions, do not hesitate to reach out to your healthcare provider for guidance.

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