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					Originally Posted by  deonk1     Did you do any testing to confirm the IBS? I was told the only way to know for sure was a biopsy, which is too difficult to do on a small dog.   |  
 
  I know with human IBS the only test they do is a biopsy and colonoscopy to rule out any cancers. And IBS can be hereditary. 
BabyGirlRosie (or Crystal), yell at me if I'm wrong but isn't IBS diagnosis basically determined through GI habits?