Major Causes of Sciatica and
Sciatic Nerve Pain

Herniated discs or herniation of vertebral discs
Protrusion, bulging, or degeneration of vertebral discs
Degenerative disc disease
Spinal stenosis and deformity
Piriformis syndrome or muscle spasm
Acute injury (falls or car accidents)
Chronic disease (arthritis, osteoporosis, etc.)