Joan,
My gamut of tests were negative as well. Long story. Anyway, my Neurologist treats the idiopathic pn (diagnosis changed to central pain syndrome) with Klonopin and it helps! I have a spinal PM doc for all the spinal issues and I think he is just great! In any case, I think the majority of my issues are mainly radiculopathy so injections help a great deal as well. At least I can keep the dosage of the two meds I do take very, very low and when I get the injections it really takes down the burning, tingling and pain I have in my feet. And I know what you mean about the deductible being reset to zero.