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Definition
By Mayo Clinic staffThe sciatic nerve is the longest nerve in your body. It runs from your spinal cord to your buttock and hip area and down the back of each leg. The term "sciatica" refers to pain that radiates along the path of this nerve — from your back down your buttock and leg.
Sciatica isn't a disorder in and of itself. Instead, sciatica is a symptom of another problem involving the nerve, such as a herniated disk. Depending on the cause, the pain of acute sciatica — which you may find considerably uncomfortable — usually goes away on its own in four to eight weeks or so.
In the meantime, self-care measures may help you ease sciatica. Some times, your doctor will suggest other treatment.
