Wiktionary
zonisamide
n. (context pharmaceutical drug English) A sulfonamide anticonvulsant drug.
Wikipedia
Zonisamide
Zonisamide is a sulfonamide anticonvulsant approved for use as an adjunctive therapy in adults with partial-onset seizures; infantile spasm, mixed seizure types of Lennox–Gastaut syndrome, myoclonic, and generalized tonic clonic seizure.