I had gall bladder out 8 yr ago i get serve diahrea pains sweats vomitin like still got stones. I got sent to top doc in london i had botox injected to bio duct n it works every three months i have injection. Diahrea is still there. This pain i had is SOD sphinter by oddy get ur doc to check it out..
You may want to check into the possibility of SOD - sphincter of Oddi dysfunction: http://hopkins-gi.nts.jhu.edu/pages/latin/templates/index.cfm?pg=disease1&organ=3&disease=12&lang_id=1
In the meantime, consider following a low fat diet especially if if you're having bouts of diarrhea. Many people find that they 'dump bile' after the surgery since they're not able to process fats the way they did before the surgery. A low fat diet may help.