Having a colonoscopy procedure done can be an uncomfortable experience, but it is vital in the prevention and detection of colon cancer, as well as the overall health of your body. It is generally recommended to have this exam starting at age 50, then every 10 years after that.

A colonoscopy lets your doctor see the inside of your colon. This exam allows your doctor to:

* Inspect your colon for various abnormal areas, including bleeding, tumors, inflammation, pouches (diverticula), or narrowed areas.

* Take biopsy examples

* Treat bleeding areas

* Stretch, or dilate the narrow areas

Prior to a colonoscopy exam, your colon needs to be empty. You will be placed on a diet of clear liquid for 1 to 2 days before the exam. You may also be given laxatives or an enema.

Immediately before the colonoscopy begins, you will likely receive a sedative and a pain reliever to help you relax. During the exam, you will lie on your left side. A colonoscope is used that allows your doctor to pump air into your colon. This inflates the colon so the doctor can get a better view of the colon walls.

On average, a colonoscopy takes about 30 minutes, but could take longer if other procedures are needed, such as removing polyps. You will feel some cramping or pressure in the abdomen, but that will end once the scope is removed.

Once the exam is done, it takes about an hour to recover from the sedative. Someone will need to drive you home, because it can take up to a full day for the sedative to completely wear off. You may have some bloating and gas for a few hours afterward, but this will lessen once you expel the injected air.

Article Source: http://EzineArticles.com/?expert=Greg_Parsons

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