Fluvoxamine + Methadone Hydrochloride Interaction

Majorinteraction on record

Description

SSRI and CYP2C19/CYP3A4 inhibitor that increases methadone plasma concentration, resulting in increased opioid effects and risk of fatal overdose.

Mechanism

Inhibition of CYP2C19 and/or CYP3A4-mediated methadone N-demethylation

Source: NLP:methadone hydrochloride