Pregabalin is a medication used to treat epilepsy, neuropathic pain, fibromyalgia, restless leg syndrome and generalized anxiety disorder. Its use in epilepsy is as an add-on therapy for partial seizures.

Lamotrigine is an anticonvulsant medication used to treat epilepsy and bipolar disorder. For epilepsy, this includes focal seizures, tonic-clonic seizures and seizures in Lennox-Gastaut syndrome.