WHAT ARE POSSIBLE COMPLICATIONS OF COLONOSCOPY?
Colonoscopy and polypectomy are generally safe when performed by physicians who have been specially trained and are experienced in these endoscopic procedures. One possible uncommon complication is a PERFORATION (tear through the bowel wall) that could require surgery. BLEEDING may occur in approximately 0.1% from a biopsy site or where a polyp was removed. It can occur during the procedure or be delayed up to 7 to 10 days later. It is usually minor and stops on its own or can be controlled through the colonoscope. Rarely blood transfusions or surgery may be required. PHLEBITIS or localized irritation of the vein into where medication was injected may rarely cause a tender lump that may last several weeks, but this will go away eventually. The application of heat packs or hot moist towels may help relieve the discomfort. Other potential risks include a REACTION TO THE SEDATIVES used and complications from heart or lung diseases. Although complications after colonoscopy are uncommon, it
