Hello Fred,
"I am in severe pain and its becoming hard to walk." In my opinion that is your cue. Pain medication ONLY covers up the pain at best. They do not correct the problem that is causing your pain.
You decide, however, it seems you are at a point where surgery may be your best option. Do speak with your doctor. Perhaps new MRIs and X-rays would be in order.
May I ask if your doctor is a neurologist or spinal surgeon? If so GREAT! If not, then make an appointment to see the best neurologist or spinal surgeon that you can find.
I wish you the best. Stay in touch and let us know how things are going.
RichT