Why is this Topamax medication prescribed? Topamax/Topiramate acts on the brain and nervous system. Topamax is used with other drugs to control various types of convulsions and seizures of epilepsy. Topamax/Topiramate works with your other medication to control seizures. This Topamax medication is sometimes prescribed for other uses; ask your doctor or Topamax pharmacist for… Continue reading How to use Topamax (Topiramate) medicine