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Your bowel must be empty so that the doctor can see clearly inside it. For 48 hours before the test you will need to follow a special diet and take a laxative preparation, drink only clear liquids like juice, tea, black coffee, cola, or broth, and avoid dairy products
The hospital will send you instructions with your appointment letter. If in doubt, please ask.
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Page last modified 15 August 2008
Page last reviewed 24 March 2005
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