Drug interactions
Allopurinol + Warfarin
Severity: Moderate
Allopurinol and Warfarin: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Allopurinol may enhance the anticoagulant effect of warfarin in some patients, raising INR and bleeding risk.
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Other interactions of Allopurinol
Other interactions of Warfarin
- Abciximab + Warfarin Major
- Acetylsalicylic acid + Warfarin Major
- Adagrasib + Warfarin Major
Drug class
- Allopurinol
- Genitourinary
- Warfarin
- Cardiovascular
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