Rosuvastatin/Ezetimibe and Warfarin Interaction

Drug interaction information between Rosuvastatin/Ezetimibe and Warfarin.

Rosuvastatin/Ezetimibe and Warfarin have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Rosuvastatin/Ezetimibe and Warfarin. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Rosuvastatin/Ezetimibe

Statin / Cholesterol Absorption Inhibitor

Drug B

Warfarin

Vitamin K Antagonist (Anticoagulant)

How They Interact

Rosuvastatin can increase the blood-thinning effects of warfarin, which is measured by a test called the INR. This change can make your blood take longer to clot than intended.

FDA Label Information

( 7.2 ) Warfarin : Obtain INR prior to starting rosuvastatin. Table 7: Rosuvastatin Effects on Other Drugs Warfarin Clinical Impact: Rosuvastatin significantly increased the INR in patients receiving warfarin [see Clinical Pharmacology ( 12.3 )]. Intervention: In patients taking warfarin, obtain an INR before starting rosuvastatin and frequently enough after initiation, dose titration or discontinuation to ensure that no significant alteration in INR occurs.

Warfarin Also Interacts With

View all Warfarin interactions →

Frequently Asked Questions

What SPL severity band is on file for Rosuvastatin/Ezetimibe + Warfarin?

Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Warfarin has 163 labeled pairs on file vs Rosuvastatin/Ezetimibe's 12. In the minor band specifically: Rosuvastatin/Ezetimibe has 2 (also Fenofibrate); Warfarin has 133 (also Atorvastatin, Amlodipine, Omeprazole, Famotidine).

What mechanism field is on file for Rosuvastatin/Ezetimibe and Warfarin?

Rosuvastatin can increase the blood-thinning effects of warfarin, which is measured by a test called the INR. This change can make your blood take longer to clot than intended.

Rosuvastatin/Ezetimibe carries more major-labeled pairs than Warfarin

SPL source-record counts only. This page's band is minor · classes on file: Rosuvastatin/Ezetimibe (Statin / Cholesterol Absorption Inhibitor); Warfarin (Vitamin K Antagonist (Anticoagulant)).

Rosuvastatin/Ezetimibe has 3 major-labeled pairs vs Warfarin's 2. This page itself is in the minor band, not the major band.

Rosuvastatin/Ezetimibe

3 major · 7 moderate · 2 minor · 12 total

  • Other minor peers for Rosuvastatin/Ezetimibe
  • Fenofibrate
Warfarin

2 major · 28 moderate · 133 minor · 163 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.