Celecoxib and Warfarin: Drug Interaction Guide

Quick answer: This combination requires caution. Celecoxib and Warfarin can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Celecoxib interacts with Warfarin

Celecoxib may increase bleeding risk through gastrointestinal mucosal injury and possible CYP2C9-related effects on warfarin exposure. Pharmacodynamic anticoagulant and NSAID effects are additive.

What you should do

Use the lowest effective NSAID dose for the shortest duration or choose an alternative analgesic. Monitor INR and bleeding symptoms after starting or stopping celecoxib.

Key facts

Severity

Moderate — caution required

Mechanism

Celecoxib may increase bleeding risk through gastrointestinal mucosal injury and possible CYP2C9-related effects on warf...

Action

Use the lowest effective NSAID dose for the shortest duration or choose an alternative analgesic. Monitor INR and bleedi...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Celecoxib and Warfarin together?

With caution. Use the lowest effective NSAID dose for the shortest duration or choose an alternative analgesic. Monitor INR and bleeding symptoms after starting or stopping celecoxib.

What is the severity of this interaction?

The interaction between Celecoxib and Warfarin is classified as Moderate — caution required. Celecoxib may increase bleeding risk through gastrointestinal mucosal injury and possible CYP2C9-related effects on warfarin exposure. Pharmacodynamic anticoagulant and NSAID effects are additive.

What should I do if I'm prescribed both?

Use the lowest effective NSAID dose for the shortest duration or choose an alternative analgesic. Monitor INR and bleeding symptoms after starting or stopping celecoxib. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.