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Barium is a milky fluid that absorbs
x-rays. Barium is placed into the bowels through the rectum. This is called an enema. Barium coats the lining of the lower intestines. This makes that area easier to see on an x-ray.
You may have a barium enema to look for problems in your lower intestines. Some things your doctor may be looking for include:
Complications are rare. Some may have an allergic reaction to the barium or latex tube used during the test. Talk to your doctor about any allergies you may have.
Tell your doctor if you are allergic to latex or barium.
Your bowel must be empty before this test. Your doctor may ask you to:
A well-lubricated enema tube will be gently inserted into your rectum. You may be given an injection to relax the rectum. Barium will be inserted through the tube. A small balloon at the end of the tube will be inflated. This balloon keeps the barium inside. You will be moved several times to make sure the barium coats the walls of the colon and rectum. A small amount of air will be inserted through the tube. A series of x-rays will be taken. After this, the enema tube will be removed.
After the test, you:
About 1-2 hours
You may feel discomfort when the enema tube is inserted. You may have bloating and severe cramping during the test. You may also feel as if you need to move your bowels.
It may take up to a few days to receive your test results. If the results are abnormal, your doctor will recommend:
After you leave the hospital, call your doctor if any of the following occurs:
If you think you have an emergency, call for emergency medical services right away.
American Society of Radiologic Technologists
Radiology Info—Radiological Society of North America
Canadian Association of Radiologists
Barium enema. McKinley Health Center, University of Illinois at Urbana-Champaign website. Available at:
http://www.mckinley.uiuc.edu/handouts/barium_enema.html. Updated June 14, 2011. Accessed September 3, 2014.
Lower gastrointestinal (GI) tract x-ray (radiography). Radiological Society of North America Radiology Info website. Available at:
http://www.radiologyinfo.org/en/info.cfm?pg=lowergi. Updated March 7, 2013. Accessed September 3, 2014.
Lower GI series. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at:
Updated May 7, 2014. Accessed September 3, 2014.
Last reviewed September 2016 by Daus Mahnke, MD
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