I concur with Moody420 regarding Medicann. I've used them twice now and I'd say they're worth the drive to your closest one. All you need is documentation or your prescription and your set for a year.

Regarding doctors. Be the squeaky wheel. Make certain your doctor knows your in real pain that is not improving and documents it. Don't let him take the easy way out by prescribing you pills.

Last point. Chiropractic. If you can't afford it here are the exercises I do for my injuries.

Dr. Wong's Stretches and Exercises