Warfarin Dosing Calculator — Free Online Tool
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Warfarin Dosing Calculator

Warfarin Weekly Dose Adjustment & INR Protocol

Clinical Guidelines: Adjust dose based on target INR (usually 2.0 – 3.0 for AF/VTE). This tool provides a proportional estimation guide. Enter current INR, weekly dose, and target INR below.
INR & Dosage Input Values

Calculation Results

⚠️ Not medical advice. For cardiology, clinical pharmacology, and medical reference only. Anticoagulation management, warfarin dose titration, bleeding risk evaluation, and vitamin K reversal protocols must be supervised strictly by an attending physician, anticoagulation clinic, or cardiologist.

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