Buspirone and Warfarin interaction
Buspirone and Warfarin: the Buspirone prescribing label 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 Buspirone (Buspirone Hydrochloride) label · effective 2026-03-18
However, there has been one report of prolonged prothrombin time when buspirone was added to the regimen of a patient treated with warfarin.
Protein Binding In vitro , buspirone does not displace tightly bound drugs like phenytoin, propranolol, and warfarin from serum proteins.
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.