Sciatic nerve pain is one of the most bothersome symptoms people commonly suffer. Sciatica is nerve pain from an injury or irritation to your sciatic nerve. In addition to pain, it can involve tingling or numbness in your back or butt that may also radiate down your leg. More severe symptoms are also possible. Pain originates in the spine and radiates down the back of the leg. Sciatica typically affects only one side of the body. This pain greatly affects on quality of life and daily living. immediate therapy can ease the pain.