i have copd,astma,degenerative disc disease both lumbar and cervical.i was in traction for 3 years about 25 years ago.i recovered dropped disability ,went back to a full time job,after truck wreck and atree fell on me.dr.s said i would never lift over5 lbs.after lots of physical therpy and determination i returned to the work force worked pain free ,drug free for over10 years to find that now i have copd ect.now taking hydrocone and valium and now on oxygen these pain meds are not working. what is the next pain meds. should i be asking for?