Terbinafine and Vortioxetine interaction
Terbinafine and Vortioxetine: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Vortioxetine (Trintellix) label · effective 2026-02-17
• Strong inhibitors of CYP2D6: Reduce TRINTELLIX dose by half when coadministered ( 2.5 , 7.1 ).
John's Wort Strong Inhibitors of CYP2D6 Clinical Impact Concomitant use of TRINTELLIX with strong CYP2D6 inhibitors increases plasma concentrations of vortioxetine.
Intervention Reduce TRINTELLIX dose by half when a strong CYP2D6 inhibitor is coadministered [see Dosage and Administration (2.5) ] .
From the Terbinafine (Terbinafine Hydrochloride) label · effective 2026-01-01
Drugs predominantly metabolized by the CYP450 2D6 isozyme include the following drug classes: tricyclic antidepressants, selective serotonin reuptake inhibitors, beta-blockers, antiarrhythmics class 1C (e.g., flecainide and propafenone) and monoamine oxidase inhibitors Type B.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.