This article is freely available to all

Article Abstract

Because this piece has no abstract, we have provided for your benefit the first 3 sentences of the full text.

Sir: Lamotrigine is a drug of the phenyltriazine class withinhibitory effects on voltage-sensitive sodium channels alongwith modulating effects on calcium and potassium channels.Lamotrigine is also a weak dihydrofolate reductase inhibitor.The drug is currently approved by the U.S. Food and Drug Administrationfor maintenance treatment in bipolar type I disorder.