Used in the treatment of certain neurological disorders, particularly as an anticonvulsant to help control seizures. It is often prescribed when other medications have not been effective. The compound works by stabilizing electrical activity in the brain, specifically modulating sodium channels to reduce abnormal neuronal firing. It may also be used off-label for managing neuropathic pain and certain types of migraine prevention. Due to its narrow therapeutic index, blood levels are typically monitored to ensure efficacy and minimize toxicity.