Warfarin: Dental Procedures

Key points

• Warfarinised patient needing dental extraction: check INR 72 hours before the procedure.
• Proceed with extraction if INR < 4.0 — do NOT stop warfarin or switch to heparin/aspirin.
• If history of unstable INR: check within 24 hours of the procedure.

Decision points in this pathway

• INR < 4.0?

The full step-by-step algorithm, including what to do at each branch, opens in the app for approved members.