An anal fissure is a tear in the lining of the anal canal that may cause pain and bleeding. It's often due to constipation.
Carcinoid tumors are rare, slow-growing cancerous tumors that most often occur in the gastrointestinal tract or in the lungs.
Chronic constipation can cause bloating and abdominal discomfort.
Colon cancer and rectal cancer combined are the second-leading cause of cancer-related deaths in the United States. Regular screening tests can help reduce your risk.
Constipation in children is common. Often, simple changes in diet and routine are helpful.
Though uncomfortable and sometimes embarrassing, hemorrhoids — and the accompanying itching and bleeding — are common. Effective treatments are available and mostly involve lifestyle and home remedies.
Iron deficiency anemia may leave you feeling sapped of energy. This condition is especially common in women. Iron supplements usually help.
Pseudomembranous colitis is an inflammation of the colon that occurs most often in people using antibiotics.
June 11, 2014
- Pope JB. Pfenninger and Fowler's Procedures for Primary Care. 3rd ed. Philadelphia, Pa.: Mosby Elsevier; 2011. http://www.clinicalkey.com. Accessed March 5, 2014.
- Lee L, et al. Overview of colonoscopy in adults. http://www.uptodate.com/home. Accessed March 6, 2014.
- Colonoscopy. National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/ddiseases/pubs/colonoscopy/index.aspx. Accessed March 4, 2014.
- Colorectal cancer screening. Bloomington, Minn.: Institute for Clinical Systems Improvement. https://www.icsi.org/guidelines__more/catalog_guidelines_and_more/catalog_guidelines/catalog_prevention__screening_guidelines/colorectal/. Accessed March 6, 2014.
- Levin B, et al. Screening and surveillance for the early detection of colorectal cancer and adenomatous polyps, 2008: A joint guideline from the American Cancer Society, the US Multi-Society Task Force on Colorectal Cancer, and the American College of Radiology. Gastroenterology. 2008;134:1570.
- Picco MF (expert opinion). Mayo Clinic, Jacksonville, Fla. March 19, 2014.
- Lieberman DA, et al. Guidelines for colonoscopy surveillance after screening and polypectomy: A consensus update by the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology. 2012;143:844.
- AskMayoExpert. Screening recommendations for average-risk, asymptomatic women. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2013.
- AskMayoExpert. Screening recommendations for average-risk, asymptomatic men. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2013.
- A-Rahim YI, et al. Bowel preparation for colonoscopy and flexible sigmoidoscopy in adults. http://www.uptodate.com/home. Accessed March 28, 2014.