How It Is Done continued...
scope is slowly pulled out of your anus and the air escapes. Your anal area
will be cleaned with tissues. If you are having cramps, passing gas may help
The test usually takes 30 to 45 minutes, but it may
take longer, depending upon what is found and what is done during the
After the test
After the test, you may need to stay at the clinic for 1 to 2 hours. Or you may be allowed to leave sooner with the person who will be driving you home. Your doctor will tell you when you can
eat your normal diet and do your normal activities. Drink a lot of fluid after
the test to replace the fluids you may have lost during the colon prep, but do
not drink alcohol.
If you received a
sedative during the test, do not drive, operate
machinery, or sign legal documents for 24 hours after the test. Arrange to have
someone drive you home after the test.
How It Feels
The colon prep will cause diarrhea. Some people also have cramping.
During the test,
you may feel very sleepy and relaxed from the sedative and pain medicines. You
may have cramping or feel brief, sharp pain when the scope is moved or air is
blown into your colon. As the scope is moved up the colon, you may feel the
need to have a bowel movement and pass gas. If you are having pain, tell your
The suction machine used to remove stool (feces) and
secretions may be noisy but does not cause pain.
You will feel
sleepy after the test for a few hours. Many people say they do not remember
very much about the test because of the sedative.
After the test,
you may have bloating or crampy gas pains and may need to pass some gas. If a
biopsy was done or a polyp taken out, you may have traces of blood in your
stool (feces) for a few days. If polyps were taken out, your doctor may
instruct you to not take aspirin and
nonsteroidal anti-inflammatory drugs (NSAIDs) for 7 to