I have had idiopathic small fiber neuropathy for over 30 years. I partially tore 2 a tendon in each ankle a few years ago. Unfortunately this did flare my neuropathy pain. My cold laser and anodyne therapies usually control my neuropathy pain. However they did not help with the injury neuropathy pain. I took Cymbalta but this did not help either. I used to take neurontin for my neuropathy, and I wonder if this would have helped. I would ask your neurologist for recommendations. The problem is that the injury increased the nerve inflammation.