You should have the mri
scan of the lower back done and get the neurosurgery consultation done.The pinching nerves in the back may be responsible for the underlying cause.
The surgical correction may be required in some cases.The symptomatic treatment can be taken by using pain killers and antiinflammatory drugs like motrin
The ct scan
of brain may also be done to rule out any neurological cause in brain by consulting a neurophysician.
The treatmnet depends on the underlying cause.