I want to thank all of you for your answers on the stomach spasms. I currently take 3 roxy's a day (30 mg.) I was taking up to 10 percocet 5/325 a day. I think you may be right about it being my stomach lining. I also take a lot of zantac or pepcid for extreme heartburn. I really can't eat anything without taking one. Even drinking a pop triggers heartburn. That started after I had my daughter 17 yrs. ago and it's gotten a lot worse over the last couple of years.