Ah, sorry, Nik, I didn't realize that. Sometimes medications are used for purposes that are not standard. Perhaps someone else is acquainted with this use. But if you are uncomfortable with a medication I would ask your doctor to talk to you more about its use and what possible side effects it might have.
I am bulemic. I was prescribed this today as there has been blood in my vomit the last couple of weeks, however I can't find anything on the web about it being used for this purpose. I had a bad experience on fluoxitine recently, so am very wary about any medication given to me now.
You might want to post on the GI disorder board, as this board is for eating disorders (like bulimia and anorexia).