Sciatica Sciatica refers to back pain caused by a problem with the sciatica nerve. This is a large nerve that runs from the lower back down the back of each leg. When something injuries or puts pressure on the sciatica nerve, it can cause pain in the lower back that spreads to the hip, buttocks and leg. About 90% of sciatica is due to a spinal disc herniation pressing on one of the lumber or scral nerve roots. Spondylolisthesis, spinal stenosis, piriformis syndrome, pelvic tumors and pregnancy are other possible causes of sciatica. The straight leg raising test is often helpful in diagnosis. The test is positive if when the legs is raised while a person is lying on their back, pain shoots below the knee. In most cases medical imagine is not needed. We treat all such pain since 2007. Avoid surgery Get total pain relief.