Dipyridamole and Warfarin Interaction
Drug interaction information between Dipyridamole and Warfarin.
Dipyridamole and Warfarin have a documented moderate interaction in FDA labeling.
FDA drug labeling documents a moderate-severity interaction between Dipyridamole 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.
How They Interact
These medicines both thin the blood in different ways. Using them at the same time can lead to a higher chance of bruising or bleeding.
Dipyridamole Also Interacts With
- Heparin moderate
- Adenosine minor
- Enoxaparin minor
- Nicardipine minor
Warfarin Also Interacts With
- Fluoxetine major
- Tamoxifen major
- Ibuprofen moderate
- Aspirin moderate
- Diclofenac moderate
Frequently Asked Questions
What SPL severity band is on file for Dipyridamole + Warfarin?
Compiled FDA labeling labels this pair moderate. 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 Dipyridamole's 5. In the moderate band specifically: Dipyridamole has 2 (also Heparin); Warfarin has 28 (also Ibuprofen, Aspirin, Diclofenac, Desvenlafaxine).
What mechanism field is on file for Dipyridamole and Warfarin?
These medicines both thin the blood in different ways. Using them at the same time can lead to a higher chance of bruising or bleeding.
Warfarin carries more major-labeled pairs than Dipyridamole
SPL source-record counts only. This page's band is moderate · classes on file: Dipyridamole (Antiplatelet / Vasodilator); Warfarin (Vitamin K Antagonist (Anticoagulant)).
Warfarin has 2 major-labeled pairs vs Dipyridamole's 0. This page itself is in the moderate band, not the major band.
2 major · 28 moderate · 133 minor · 163 total
- Other moderate peers for Warfarin
- Ibuprofen
- Aspirin
- Diclofenac
- Desvenlafaxine
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.
Read our methodology - how this data is sourced, computed, and verified.