Main content Bowel Transit Time

    Bowel Transit Time



    How It Is Done

    Your doctor will give you one or more gel capsules filled with markers that will show up on an X-ray. Follow your doctor's instructions about when to take the capsules. You may take only one capsule. Or you may be told to take one at a certain time for 2 or 3 days in a row. You will then have X-rays taken of your belly. These are usually done on day 5. The percentage of markers that show up on the X-ray tells your doctor if you have a normal bowel transit time.



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