Are Extended Periods Of Paralysis In The Hands, Wrists And Lower Arm A Serious Concern?

My hands,wrist,and lower arm keeps going paralyzed for 6 to 8 months at a time. Er says it s called wrist drop. 14 yrs ago I broke my tail bone in half and messed my lower back up. Could it be from injuring my back and should it be emergency to get to a orthopedic