pain management in sciatica

hai i want to know what will be most effective in treating patients with ac.sciatica?if the v.a.s is always above seven for a week?

I am vinodh rajkumar.Kindly refer Kirkaldy-willis concept of degenerative changes and I assure you will acquire ability to improve the scopes of back pain. But stand on the Biomechanics always. Bye.