Pregnancy Tools

Warfarin Dosing Calculator

Calculate initial warfarin dosing based on patient factors

Patient Information

Enter patient details for warfarin dosing calculation

Dosing Recommendation

Recommended Daily Dose

0 mg/day

Target INR: 0-0

Clinical Recommendations

    Important Notes

    This is an initial dosing estimate. Actual dosing should be individualized based on INR response, genetic factors, and clinical judgment. Consider pharmacogenetic testing if available.

    Dosing Guidelines

    Standard Target: INR 2.0-3.0

    Mechanical Valve: INR 2.5-3.5

    Initial Dose: 5mg daily (average)

    Amiodarone: Reduces dose by 2mg

    Enzyme Inducers: Increases dose by 1mg

    Monitoring Schedule

    Days 1-7: Daily dosing, INR check in 3-5 days

    Days 8-28: Weekly monitoring initially

    After 28 days: Every 2-4 weeks once stable

    Stable patients: Every 4-12 weeks