I live with the kind of back pain you mention. I even had back surgery to ease a bulging disc but, alas, the adhesions from the surgery put the same pressure on my nerve that the original bulging disc did. Awesome, eh?! LOL
I get relief from meds and steroid injections about once a year or so. Might work for you, if you haven't tried it.
Now I'm wondering if we need a "Back Pain" ping list! We'd need a mascot, of course...