Quick Warfarin

last update : 22-06-2025

Available for Warfarin 2 mg , 3 mg , 5 mg

TWD Design 3-70 mg/week

Warfarin Guideline

INR management
< 1.5 + 10-20 %
1.5-1.9 + 5-10 %
2.0-3.0 continue same dose
3.1-3.9 - 5-10 %
4.0-4.9 Hold for 1 day then -10 %
5.0-8.9 (no bleeding) Hold 1-2 doses, Vit.K1 1 mg orally
> 9.0 (no bleeding) Vit.K1 5-10 mg Orally
Major Bleeding with Any INR Vit.K1 10 mg IV + FFP , repeat Vit.K1 q 12 hr if needed

Dosing

Current INR
Total Warfarin (mg/wk)

TWD Design

TWD

TWD & Follow Up Date

Warfarin Dosage
Take tablet a day
Select Day:
Start to F/U date