I was recently diagnosed with Peripheral Neuropathy. All of my fingers on both hands, excluding my pinkies, burn as if they are on fire. Heat is a trigger for the pain which is only eased by holding ice. This lasts for several hours. I've taken motrin and it did absolutely nothing. I've also taken hydrocodon and again the pain did not stop or ease up a noticeable amount. This has been going on for a couple of months now. The pain has even gotten worse and spread into the palms of my hands.

I have had lab tests done to try and determine the cause. I have no vitamin deficiencies. None what so ever. I am very healthy in that area. I was tested for diabetes, celiac disease, thyriod disorders, blood counts, and the like. Absolutely nothing was even slightly off. I have no idea what to try next. I do not want to exhaust myself and my finances trying to solve this mystery when I may never even find an answer. What do you guys think? Any related experiences? Suggested tests?

Some background information may be helpful: I have suffered a back injury, however the damage was to the lumbar region (L1 and L4) so probably not related, also never had problems with it since the injuries have healed. I do have psychological problems, especially severe GAD which manifests into psychical aliments quite often, but never before anything like this. My GP does not think these have anything to do with the problem. I am also a 23 year old female and no other existing problems that I am aware of.