Hi. I see this is older but I just joined. When I went wheat/gluten free my migraines stopped. Gluten sensitivity has also been associated with small fiber neuropathy--generally pain/burning in the feet and hands. So, I believe you definitely may notice a difference in nerve pain if you are sensitive to gluten.
However, I developed TN last year and have been gluten free for 4 years.
Take this with a grain of salt--if it is working for you, do it!