Sciatica, also known as lumbar radiculopathy, is a pain that originates along the sciatic nerve, which extends from the back of the pelvis down the back of the thigh. The sciatic nerve is the primary nerve of the leg. It is also the largest nerve in the entire body.
Usually, sciatica is caused by a herniated disk in the spine that presses on the sciatic nerve. Other causes that may put pressure on the sciatic nerve may include the following:
Sometimes, a cause for the sciatica cannot be identified.
Specific treatment for sciatica will be determined by your physician based on: