Mucus is jelly-like fluid produced naturally by mucus membranes in the body. Mucus produced in the intestines moistens the insides of the intestine and allow for the smooth and unhindered passage of fecal matter. Mucus in the intestine also protects the intestinal lining from potentially harmful substances. Diseases that cause inflammation or irritation of the intestinal tract can cause the intestines to produce excess mucus, which is usually eliminated in the stool.
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Proctitis is characterized by inflammation of the lining of the rectum, which is the end portion of the colon. The inflammation associated with proctitis has a number of causes, but the most common include infections, sexually transmitted diseases, inflammatory bowel diseases and radiation therapy, according to MayoClinic.com. Proctitis often causes a great deal of pain as well as mucus in the stool, the frequent urge to have a bowel movement, rectal bleeding, rectal pain, abdominal pain, diarrhea and pain during a bowel movement. Treatment for proctitis depends on the underlying causes of the condition. Infections can usually be successfully treated with antibiotics and inflammatory bowel diseases are treated with anti-inflammatory medications. People who have proctitis due to radiation therapy are often prescribed specific medications to control individual symptoms.
Shigellosis is a bacterial infection that suddenly develops in the lining of the intestines. Shigellosis, caused by a group of bacteria called Shigella, is associated with crowded living spaces and contaminated food and water. MedlinePlus notes that symptoms of shigellosis generally begin within one to seven days after infection and include sudden pain in the abdomen, fever, blood and mucus in the stool, rectal pain, nausea, vomiting and diarrhea. Treatment for shigellosis generally consists of bed rest and replacing lost fluids to avoid the risk of dehydration. In some cases, antibiotics may be given to decrease the length of time that symptoms persist and prevent spreading of the infection to others.
Irritable Bowel Syndrome
Irritable bowel syndrome is one of the most common intestinal diseases and affects approximately one in five Americans, according to the National Digestive Diseases Information Clearinghouse. The exact cause of the disease is unknown, so it is generally characterized by its most common symptoms, which include abdominal pain, severe bloating and alternating bouts of constipation and diarrhea. Those with irritable bowel syndrome also often secrete mucus in the stool, even if they are only able to eliminate a small amount of stool. Because characteristics of irritable bowel syndrome can vary between individuals, a specific treatment has not been found. Treatment usually consists of medications to treat each individual symptom. The National Digestive Diseases Information Clearinghouse also notes that stress reduction exercises are an important part of relieving the symptoms associated with irritable bowel syndrome.