I suggest you not get worried by the burning and pins and needles. As I said, it takes a long time for the nerve fibers to heal. Think of this burning as bruises to your nerves and not an issue with your brain. There are meds for neuropathic pain but I don't think yours is chronic enough to start meds.

If the burning sensation is your worst symptom, you are way ahead of most people. Many are struggling with constant headaches, extreme sensitivity to light and sound, frequent nausea, etc.

The B-12, B-50 Complex, D-3 and magnesium are the most important vitamins.

When you have time, watch the YouTube "You Look Great"
https://www.youtube.com/watch?v=x9Xso4qGdlI

It takes about an hour to watch the whole 6 part series.

Then ask your friends/family to watch it.