Allopurinol and Apixaban interaction

Allopurinol and Apixaban: the Allopurinol prescribing label describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Allopurinol label · effective 2026-05-21

Moderate

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol.

Drug interactionsby drug classView label on DailyMed
Moderate

Adjust the dosage of dicumarol accordingly when allopurinol tablet is added to anticoagulant therapy.

Drug interactionsby drug classView label on DailyMed
Minor

Warfarin Clinical Impact Allopurinol may inhibit the metabolism of warfarin, possibly enhancing its anticoagulant effect.

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

Not 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.