When Your Child Needs a Barium Enema - Fairview Health Services
 
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When Your Child Needs a Barium Enema

A barium enema is an X-ray exam of the lower digestive tract (colon and rectum). This exam is used to detect problems such as strictures (narrowing), blockages, or polyps (tissue growths). Barium contrast (a liquid that makes organs show more clearly on X-rays) is used during the exam. A barium enema takes about 1–2 hours.

Before the Exam

Your child’s colon may need to be cleaned out before the exam. Follow all instructions given by the doctor. These may include:

  • Have your child drink only clear liquids 24 hours before the exam.

  • Give your child a laxative, a suppository, or enema the night before and on the day of the exam.

  • Don’t give your child anything to eat or drink 4–6 hours before the exam.

 

Let the Technologist Know

For your child’s safety, let the technologist know if your child:

  • Has allergies.

  • Has had surgery.

  • Has any health problems.

  • Is taking any medications.

Child lying on side under X-ray machine. Health care provider is operating machine and looking at monitor.

During the Exam

A barium enema is performed by a radiologist. This is a doctor trained to use X-rays to test or treat patients. A radiology technologist may also assist with the exam.

  • You can stay with your child in the X-ray room. You’ll be given a lead apron to wear for your safety. Pregnant women aren’t allowed in the X-ray room.

  • Your child lies on an X-ray table.

  • Movement affects the quality of the results. If your child can’t stay still during the exam, he or she may be held down. In rare cases, your child is sedated or given anesthesia (medications to make your child relax or sleep). The doctor will tell you more about this if needed.

  • The radiologist begins by taking an X-ray of your child’s colon.

  • Then your child lies on the side as the radiologist inserts the tip of an enema tube into the rectum. Barium flows through this tube and fills the colon. A small balloon on the enema tube prevents your child from leaking any stool or barium contrast. Tape may be used to keep the enema tube in place.

  • Live X-ray images (fluoroscopy) are viewed on a screen as the barium moves through your child’s colon.

  • Your child may need to roll over, shift positions, or take deep breaths and hold them while X-rays are taken.

  • Once the enema tube is removed, your child can go to the bathroom if needed.

  • The radiologist may take final X-rays of your child’s empty colon before the exam is complete.

After the Exam

  • Your child may need to return to the hospital the next day for more X-rays. This often occurs if your child doesn’t have a bowel movement at the end of the exam.

  • Unless told not to, your child can return to his or her normal routine and diet right away. But make sure your child drinks plenty of water. Water helps relieve constipation that may occur after the exam.

  • Your child’s stool appears chalky white or light for 1–2 days due to the barium. If no barium is passed within 24 hours, call the doctor.

  • The radiologist may discuss early results with you after the exam. A report is given to your child’s doctor, who follows up with complete results.

Helping Your Child Prepare

You can help your child by preparing him or her in advance. How you do this depends on your child’s needs.

  • Explain that the radiologist will be testing the colon and rectum. Use brief and simple terms to describe the exam. Younger children have shorter attention spans, so do this shortly before the exam. Older children can be given more time to understand the exam in advance. 

  • As best you can, describe how the exam will feel. There may be some cramping and discomfort. Your child may also feel the urge to use the bathroom during the exam.

  • Allow your child to ask questions.

  • Use play when helpful. This can involve role-playing with a child’s favorite toy or object. It may help older children to see pictures of what happens during the exam. 

 

Possible Risks and Complications of a Barium Enema

  • Radiation exposure from X-rays

  • Reaction (such as headaches, shivering, and vomiting) to sedative or anesthesia

  • Constipation and bowel obstruction due to retained barium

  • Allergic reaction (such as hives, itching, or wheezing) to barium

  • Perforation (rare)

 

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