What are the possible complications of colonoscopy?

Possible complications of colonoscopy. Your doctor will be very experienced at performing this type of procedure, but, even so, a fewcolonoscopies are not successfully completed and may need to be repeated.

Other complications are uncommon, but it is possible for the colon to be damaged or perforated during the procedure. This can lead to bleeding and infection, which may require treatment with medicines or surgery.

The chance of complications depends on the exact type of procedure you are having and other factors such as your general health. You should ask your consultant to explain how these risks apply to you.
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Related Questions

What are the possible complications of a colonoscopy?

Several. Possible complications include: perforation, bleeding either from a tear or from a polypectomy, infection, a flare-up of diverticulitis or colitis, splenic injury from the scope pulling on the splenic ligament, gas cramps (side-effect not a true complication), flare-up of hemorrhoids. Read more...
Veery rarely. Bleeding and injury to the bowel. In experienced hands the combined risk is less than 1 %. You may have gas and bloating afterward but these should resolve quickly and you can resume normal activity and diet the next day. The risk of having an undiagnosed colon disease or cancer is greater than the risk of the procedure. Read more...