Talk to Neuro Physician on Sever Lower Back Pain

Sir my sister is having lower back pain from years In the beginning when she started to have this problem we looked many doctors in our region and outside region but they failed to treat it Then we ended up meeting a doctor in islamabad named GUL BADSHAH or something he injected her directly in the lower back and pain was gone for a year or above and it came back very severely, from that moment we failed to treat it good enough Doctors says that her lower back pain nerves are pinched between the lumbar joints thats why she Isnt being able to recover because medicine cant do any magic to pull those nerves out Currently im not having any files to attach but i gave you an idea what problem can really be. Please answer !!