--is an anti-seizure medication that acts on the level of the spinal cord to mitigate the propagation of erroneous nerve impulses such as would be produced from damaged nerves; while it may help relieve symptoms it is not going to promote healing of the nerve tissue.

Actual healing comes from proper levels of the nutrients that the body needs to create such tissue. There are many that might prove helpful, but most of us start with Vitamin B12, Vitamin D, essential fatty acids (fish oil, flax oil, and the like) and minerals such as magnesium.