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What are some causes of a clear discharge from the rectum?

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Large amounts of mucus in the stool can indicate medical issues such as irritable bowel syndrome, an intestinal infection, cancer, cystic fibrosis or anal fissures, explains Healthline. However, some clear, white or yellow rectal discharge is normal in a healthy person, as the human body naturally produces mucus to protect organs and tissues.

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Full Answer

Additional possible causes of rectal discharge include ulcerative colitis, Crohn's disease, malabsorption issues and rectal ulcers, according to Healthline. In total, the average human body produces approximately one liter of mucus each day. Mucus helps reduce problems that can result due to stomach acid, viruses, bacteria or fungi. If a person sees mucus in the stool, the body likely has already elevated levels. This is not always indicative of a medical issue, but it requires monitoring.

Treatment for mucus in the stool is not universal, notes Healthline. Some types of tests used to determine the cause of excess mucus or discharge include blood tests, stool tests, urine tests, colonoscopies and endoscopies. Additional tests include sweat tests or imaging tests such as CT scans and MRIs. Treatment can range from drinking more fluids to continued treatment or prescription medication. Individuals with serious conditions such as cancer receive care from specialists.

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