More Info: Barium Enema
Important Facts About This Test
- Barium enema has a high level of accuracy for finding cancers, but only medium accuracy for finding polyps.
- If the results of this test are abnormal, you would need to have a colonoscopy.
- There is a very small risk of tearing the bowel (perforation). Out of every 10,000 people who have this test, only one will have a serious complication.
- A barium enema needs to be done once every 5 years.
- It is less costly than colonoscopy and virtual colonoscopy, but more costly than flexible sigmoidoscopy. It is covered by Medicare and most insurers.
Getting Ready
- You must take a laxative and use an enema before the test.
- You may also be asked to follow a clear liquid diet the day before the test.
During the Test
- The test is often done at a hospital.
- A radiologist or technician will use a small tube to insert a mixture of barium and water and then air into the colon.
- A series of x-rays will then be taken while lying on a table in several different positions.
- It takes 30 to 60 minutes to complete.
- The test may cause some cramping and pressure.
After the Test
- You can return to your normal activities after the test is over.
- You may have some temporary constipation.
Back to Screening Tests