All the following drugs act by blocking AMPA receptors of glutamate except
Felbamate acts on NMDA receptors of glutamate. Perampanil is a new class of drug acting on AMPA receptors,Phenobarbitone is also known to block these receptors. Ref: HL Sharma 3rd ed.Pg 527.
Felbamate
Perampanel
Phenobarbitone
Topiramate
General pharmacology