i had spinal fusion surgery 4/14/2015, original one rod six screw. When he was in their he had to put in two rods and 12 screws. Also did bone graphing. Almost three months, my problems was specifically back bone on bone, two clasped disc. Now I have ver severe nerve pain down left leg. I have always been I see the best in everything, getting better every day . This nerve pain is horrible, working so hard with a physical therapist three times a week walking one mile while I limp along. Now I just got up and the nerve dropped me to mr feet, I am in so much pain. Is this normal?