What doctor do i go see for problems with autonomic nervous system?

Brain injury?: You mention brain injury..It s such a broad concept; the same goes for autonomic nervous system problems. I would have answered an internal medicine or family practice dr to start an all inclusive workup, but in view of this i assumed you might have a neurologist already taking care of you. Either one is a rational choice. On Clonazepam for..? You may consult the prescriber of this too. Good luck.