Traveling for Care?
Whether you're crossing the country or the globe, we make it easy to access world-class care at Johns Hopkins.
A colonoscopy is an endoscopic procedure used to detect changes or abnormalities in the large intestine. Your doctor uses a long tube called a colonoscope, and the procedure takes approximately 30 to 60 minutes.
A colonoscopy allows your gastroenterologist to obtain detailed images of your colon in order to diagnose your digestive condition. A colonoscopy is an outpatient procedure, so you go home the same day.
A colonoscopy is a standard procedure used to help diagnose a variety of gastrointestinal conditions.
Your doctor may recommend colonoscopy for:
Your colon must be completely clean in order to ensure a thorough, safe colonoscopy. Your doctor may place you on a liquid diet for one to two days prior to your procedure. You may also need to take a laxative or undergo an enema. There are a number of different preparation options, which your doctor will discuss with you. You can learn more about the importance of good bowel prep by viewing this video.
On the day of the colonoscopy, you arrive at the endoscopy suite one or two hours before your procedure. Make sure an adult who can accompany you home is with you. When you arrive, you will register and give your medical history.
During the colonoscopy, your doctor will:
After the procedure, you remain in recovery for one to two hours until the sedation wears off. Your doctor will discuss the results with you. Then you may go home.
You should limit your activity for the remainder of the day. You may feel bloated from the air in your colon; walking may help relieve that.