Lovastatin and Rivaroxaban interaction
Lovastatin and Rivaroxaban: the Lovastatin 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 Lovastatin label · effective 2026-04-03
Also, bleeding and/or increased prothrombin time have been reported in a few patients taking coumarin anticoagulants concomitantly with lovastatin.
Once a stable prothrombin time has been documented, prothrombin times can be monitored at the intervals usually recommended for patients on coumarin anticoagulants.
Lovastatin therapy has not been associated with bleeding or with changes in prothrombin time in patients not taking anticoagulants.
It is recommended that in patients taking anticoagulants, prothrombin time be determined before starting lovastatin and frequently enough during early therapy to insure that no significant alteration of prothrombin time occurs.
Coumarin Anticoagulants In a small clinical trial in which lovastatin was administered to warfarin treated patients, no effect on prothrombin time was detected.
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.