A colonoscopy is a procedure where the inside of the colon is examined with a fibreoptic instrument. Prior to undergoing a colonoscopy, you must have your bowel prepared with a specific colonoscopy prep, which is taken the day before the procedure. You will also need to alter your diet 1-2 days leading up to the colonoscopy in order to allow for the procedure to be performed as safely as possible. The colon is examined for growths such as polyps or cancers. Polyps may be removed during the colonoscopy. The haemorrhoids are also examined, and if significant, they may be ligated with rubber bands.
Common reasons for colonoscopy include: