Constent pain

I had a ski accident 1999 i blew out my ACL, I had Manaska surgery but never had ACL fixed, just workout to strengthen that knee. Then within a year realized i had also messed up my spine. I had 360 back surgery 2017 for spine reconstruction. I am standing straight which i am so happy sbout but now on this side of surgery i am having a tremendous amount of nerve pain down my legs ankles and feet. I literally hurt all the time. I am on proticol for healthy food and continue to exersize light weight resistance yoga and tai chi. I just cant get away from the pain. I do not take pain meds or anything with ibeprofen because of my stomach. Can you help me with a realistic possitive model. Thank you