The Correct Definition of Sciatica Is

The correct definition of sciatica is:

A) a form of facial paralysis, usually temporary, affecting one or both sides of the face.
B) severe pain that radiates along the path of the sciatic nerve from the lower back.
C) occurrence of painful herpetic vesicles, usually on the trunk of the body along a peripheral nerve, caused by the herpes zoster virus.
D) inflammation of the spinal cord by a virus, which may result in spinal and muscle deformity and paralysis.