I am in chronic pain from my neck to my sacred.
Also have knee pain
there are other meds for nerve pain like lyrica, cymbalta. Also I have a SCS spinal cord stimulator in lower back has been helpful now going to put one in for my neck. ps most dr;s will put you on an anti depressant which in itself can well improve things Wishing you well and find a path to controlling your pain kathy
Try alternating heat and cold compress
Thank you