Sciatica describes a painful condition that results from problems with the sciatic nerve, a large nerve that runs from the lower back down the back of each leg. The scia controls muscles in the back of your knee and lower leg and provides feeling to the back of your thigh, part of your lower leg and the sole of your foot.
Sciatic can lead to pain, weakness, numbness or tingling of the hip and lower extremities. It can start in the lower back extend down your leg to your calf, foot, or even your toes. It's usually on only one side of your body.
Sciatica may be due to a ruptured intervertebral disk, narrowing of the spinal canal that puts pressure on the nerve called spinal stenosis, or an injury such as a pelvic fracture. Sciatica may also develop during pregnancy. In many cases no cause can be found.
Sometimes sciatica goes away on its own. Treatment, if needed, depends on the cause of the problem. It may include exercises, medicines, and surgery.
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