Sciatica pain is felt along the sciatic nerve, which is the body’s longest nerve. Sciatica pain usually occurs when a bone spur or herniated disc compresses a spinal nerve root in your lower back, causing intense pain in your back, leg, and buttock.

Sciatica is more common in the elderly due to the normal wear and tear on the spine that occurs with age.However, younger people can have sciatic pain as a result of a fall, or an injury.