Flexible sigmoidoscopy is a procedure in which a trained medical professional uses a flexible, narrow tube with a light and tiny camera on one end, called a sigmoidoscope or scope, to look inside your rectum and lower colon, also called the sigmoid colon and descending colon. Flexible sigmoidoscopy can show irritated or swollen tissue, ulcers, polyps, and cancer.
A flexible sigmoidoscopy can help a doctor find the cause of unexplained symptoms, such as
To prepare for a flexible sigmoidoscopy, you will need to talk with your doctor, change your diet, and clean out your bowel.
You should talk with your doctor about any medical conditions you have and all prescribed and over-the-counter medicines, vitamins, and supplements you take, including: