I'm sorry you're hurting. Back pain is bad because your back is basically half your body! Have you had any mris or cat scans done? You may have some osteoarthritis or something like that. I take ultram and it handles the pain pretty well, and I was on fentanyl, so it works pretty good and is nonaddicting. I've taken naproxyn before and it works pretty good on pain, as does motrin, especially if it's muscle related, so if it didn't work, maybe something more is happening. I also have fibro and I don't know where all the pressure points are but my fibro I've been told is because I don't sleep well due to the pain in my back. Muscle relaxers, my neurosurgeon says, can be bad or good, but he says that if your back is crooked, they can make your back go out of alignement more, and its possible to hurt your back if you don't stay flat the next day. Since this is seldom possible, I don't take them much. I hope you can get your doc to check into this and get you some pain relief. I can fully sympathize and ((((hugs)))) and hope you feel better soon.
"...brain, what is brain?"
--Kara, one of the "givers of pain and delight", aka woman of Sigma Draconis VI, "Spock's Brain" episode 56 season 3 of Star Trek--I'm not a trekkie but this one was funny!