Lacosamide Products | Cleanchem - Lacosamide is an antiepileptic drug used to treat partial-onset seizures and generalized tonic-clonic seizures. It works by enhancing slow inactivation of voltage-gated sodium channels, stabilizing hyperexcitable neuronal membranes. It is available in oral and intravenous formulations, offering flexibility in administration. Lacosamide is often used in combination with other antiepileptic medications for improved seizure control.