The symptoms you describe sound like your lower spine or Lumbar spine. The symptoms are common if there is inflammation or a disc pushing on the nerves. Isovue was out of you or at least sitting in your bladder probably before you even walked out the door of the imaging center. Your blood filters this contrast so quickly, it is in your kidneys(for a very short time) within 1 minute of being injected and already in your bladder to be flushed from your system within an 45-1 hour after injection. I can almost guarantee these symptoms have nothing to do with Isovue, -you may want to get your lower back checked.
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