*Prices reflect U.S. average retail price

Perampanel (sold under the trade name Fycompa) is an antiepileptic drug developed by Eisai Co. that is used in addition to other drugs to treat partial seizures and generalized tonic-clonic seizures for people older than 12 years... Wikipedia

Manufacturer's Website: Fycompa                                                                                                                                  Average retail cost: $1,394/month