Procedures/Preparations >> Colonoscopy/Colon Prep

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Colonoscopy provides an inside view of the entire colon Colonoscopy is used to view the inside of your lower digestive tract (colon and rectum). It can help screen for colon cancer and can also help find the source of abdominal pain, bleeding, and changes in bowel habits. The test is usually done in the hospital on an outpatient basis. During the exam, the doctor can remove a small tissue sample (a biopsy) for testing. Small growths such as polyps may also be removed during a colonoscopy.


During the Test

  • You are given sedating (relaxing) medication through an IV line. You may be drowsy or completely asleep.
  • The procedure takes 30 minutes or longer.
  • The doctor performs a digital rectal exam to check for anal and rectal problems. The rectum is lubricated and the scope is inserted.
  • If you are awake, you may feel as if you have to have a bowel movement. Also, you may feel a pressure as the colon is filled with air. It’s perfectly acceptable to pass gas during the procedure.

After the Test

  • You may discuss the results with your doctor right away or at a future visit.
  • Try to pass all the gas right after the test to help prevent bloating and cramping.
  • After the test, you can go back to your normal eating and other activities.

Risk and Complications Include

  • Bleeding.
  • A puncture or tear in the colon.
  • Risks of anesthesia.