Sciatica is a painful condition of the back. Sciatica Pain Relief discusses treatment options.
Sciatica causes lower extremity pain. Although it usually starts in the lower back, it can spread to behind the thigh, and even lower than the knee. This is because of the fact that the sciatic nerve is the largest nerve in the body. It begins in the lower back by the spinal cord, and extends through the buttock area into the lower limbs.
It is most commonly caused by herniated lumbar disc.
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