I would be very skeptical of ANY doctor that gave injections before have an mri done to see what is causing the problem. I had them buy one of those quack pain doctors when my back first started giving me problems about 12 years ago. If he would have first had an mri taken he would have seen the two bulged and one blown disc I had at the time. They did nothing but put food on the table of that doctor. The ones I just had were post surgery and the intent was to settle down some of the inflammation and swelling the surgery caused not to cure the problems in my back or to even cover them up. It seems to have helped that but I guess time will tell