What could be causing my severe sciatica and how will it be treated?

I’ve had extremely severe pain all the way down my left leg for 10 months now. My sacrum was tilted to the right and my left hip was stuck, tilted backwards. I had both of these corrected by an oseopath, but the pain didn’t get any better. X-rays show nothing unusual and I’ve been advised [...] http://bit.ly/p5iLfP