Hi i hav ebeen on medication for chronic pain for 4 years due to breaking my back and being diagnosed with degenarative disk disease i have been on alot of different meds i started on 360 lortab 10s a month then the fentanyl patch and now 15mg of ms contin 2x a day and zanaflex 4mg 3x a day the ms contin seems to make my stomach hurt really bad my doctor doesnt think its the med but when i do not take it although everything else hurts my stomach doesnt any suggestions? i have also been diagnosed with hep c due to a blood transfusion when i was young i am trying to find something long acting that is a little easier on my liver please help..