I'll be back later to say more (if you are still here).. but after hearing "prozac for functional stomach pain", I'd be hearing the door slam on my way out of that office.... and onto finding a new Doc. Hello - Prozac is NOT a pain med, despite the fact that doctors who can't find a cause for someone's pain like to think it is. Don't waste your time. Once they have that attitude they aren't looking for an answer any more. There's more than one doctor in town (and if there happens not be be.. you can travel!!