Dofetilide + Lamotrigine Extended Release Interaction

Contraindicatedinteraction on record

Description

Coadministration with lamotrigine ER is not recommended due to narrow therapeutic index and increased plasma levels via OCT2 inhibition.

Mechanism

Inhibition of organic cationic transporter 2 (OCT2)-mediated renal tubular secretion

Source: NLP:lamotrigine er