Symptom Vs Cause: Sciatica is the symptom of leg pain caused by a disc herniation or narrowing where the nerve exits the spine. A disc herniation is a outpouching of the disc from its normal place into the spinal canal or on the nerve and can be a source of pain in the back or down the leg. The nerve then goes to the muscle which can then hurt, spasm or feel sore or irritated.
Answered 7/1/2014
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A doctor has provided 1 answer
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