I Started Getting Pain In My Feet 10 Years Ago

i started getting pain in my feet 10 years ago thay put me on gabapentin 300 h mig know I am up to600 mg 4xday did not have dibeadys at first but now I do I think the truble is my back have had back truble 20 years now iam 62 cant work any more what is a better to treet me