Sciatica is a term given to any type of pain affecting the nerve called sciatic. This nerve extends from the lower back all the way through the buttock and down to the leg. Most of the time, only one side of the lower body is affected. The pain may also radiate to the foot or toes depending on where the sciatic nerve is affected.
Most sciatica cases occur when the sciatic nerve is pinched or compressed. This can be due to any of the following: