Rectal Mucus: Causes and Concerns for Patients - Surgery

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Understanding rectal mucus can be essential for patients experiencing unusual symptoms, such as the presence of mucus during bowel movements. Mucus is a slippery secretion produced by mucous membranes, and it plays a vital role in lubricating and protecting the intestinal lining. However, when patients notice an increase in rectal mucus, it can raise concerns about underlying health issues.

There are several potential causes for the presence of mucus in the stool. One common reason is the body's natural response to irritation or inflammation in the gastrointestinal tract. Conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), or infections can lead to increased mucus production. In IBS, for example, the intestines may become hypersensitive, leading to symptoms like abdominal pain, bloating, and changes in bowel habits, including the production of mucus.

Another possible cause of rectal mucus is the presence of hemorrhoids or anal fissures. Hemorrhoids, which are swollen blood vessels in the rectal area, can cause discomfort and lead to the secretion of mucus as the body attempts to lubricate the area. Similarly, anal fissures, which are small tears in the lining of the anus, can also result in mucus discharge as a protective mechanism.

In your case, you mentioned having "internal hemorrhoids" (內痔). Internal hemorrhoids can indeed contribute to mucus production, as they can cause irritation and inflammation in the rectal area. The mucus may serve as a lubricant to ease the passage of stool, but it can also be a sign of irritation or inflammation.

While the presence of mucus alone is not typically a cause for alarm, it is essential to monitor any accompanying symptoms. If you experience additional symptoms such as blood in your stool, significant changes in bowel habits, persistent abdominal pain, or unexplained weight loss, it is crucial to seek medical attention. These symptoms could indicate more serious conditions that require further evaluation.

In summary, rectal mucus can arise from various causes, including irritation from conditions like IBS, inflammation from IBD, or issues related to hemorrhoids and anal fissures. While it is often benign, it is essential to pay attention to any accompanying symptoms and consult a healthcare professional if you have concerns. They can perform a thorough evaluation, which may include a physical examination, medical history review, and possibly diagnostic tests, to determine the underlying cause and recommend appropriate treatment options.