Rufinamide + Phenytoin Interaction

Moderateinteraction on record

Description

Phenytoin decreases rufinamide concentration by 25-46% and rufinamide increases phenytoin by 7-21% with potential for greater exposure due to phenytoin's non-linear pharmacokinetics.

Mechanism

Phenytoin induces rufinamide clearance; rufinamide decreases phenytoin clearance

Source: NLP:rufinamide