Intravenous Pyelogram or Nephrotomography

Clear liquid diet (no milk products) starting at noon on the day before the exam. Sugar substitutes are permitted.
Three Bisacodyl (do not chew) with two, 8-ounce glasses of water at 4:00 PM.
Do not take anything by mouth 3 hours prior to the exam. You may take any prescribed medications except for those that must be taken with food.