As far as stopping the pain. You need to relax the bile ducts where the stone is trapped. This can be done with an anti spasmodic drug called Bentyl. Or if you are at home two tablespoons of epson salts in warn water. within 30 minutes after taking this the pain should stop. Epson salts contain magnesium which relaxes the bile ducts. Many people swear by this for gb pain relief.