Sciatica is the following situation: the sciatic nerves are compressed or inflamed, causing lower back pain or discomfort.
Sciatica usually has the following symptoms: lower back pain, topical burning sensation, waist numbness, walking difficulty, waist bending difficulty. Sciatica is usually due to the spinal disc herniation: it compresses the sciatic nerve, causing inflammation and pain.
Other causes may include: muscular tension, prolonged standing, vertebrae misalignment, vertebrae enlarging, facet joint injury, pregnancy. The following treatment methods can help to reduce pain and inflammation: bed rest, physical therapy, medications and surgery.