Amantadine and Triamterene interaction

Amantadine and Triamterene: the Amantadine prescribing label mentions this combination without an instruction to avoid it or change the dose.

Minor

Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.

What the FDA labels say

From the Amantadine (AMANTADINE HYDROCHLORIDE) label · effective 2026-04-08

Minor

Coadministration of 1 Dyazide (triamterene/hydrochlorothiazide) resulted in a higher plasma amantadine hydrochloride concentration in a 61-year old man receiving amantadine hydrochloride 100 mg TID for Parkinson's disease.

Drug interactionsnames TriamtereneView label on DailyMed

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Not 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.