I HAVE BEEN ON OXYCONTIN FOR 2 YEARS AND I HAVE TAKEN EVERY OTHER PAIN DRUG BEFORE THIS ONE AND NOTHING WORKED LIKE THIS DRUG.BUT I RAN OUT ONE DAY AND WHAT WITHDRAWLS.I WAS SWEATING,CRAMPS IN THE STOMACH,MY LEGS WERE GOING CRAZY,NAUSEA,LOTS OF PAIN AND EVERYTHING BOTHERED ME,EVEN THE SMALL THINGS.I HAVE CAME OFF OF ALOT OF PAIN MEDICATIONS COLD TURKEY AND NEVER HAD A PROBLEM WHICH INCLUDED DEMEROL,MS CONTIN,PERCOCET AND MANY OTHER MEDICATIONS .THIS IS A GREAT DRUG FOR MY BACK PAIN BUT IT IS THE WORST MEDICATION TO GET OFF OF IT.REGRADS MR.COOK.