Initiation of 10-mg Warfarin (Coumadin) Therapy. Figure 1. Algorithm for the initiation of 10-mg warfarin therapy. Tested in outpatients with venous thromboembolism who were also receiving low. Warfarin Drug Interactions; Dosing. Initiation. Average Daily Dosing; Flexible Initiation Dosing Nomogram; Maintenance. Warfarin Maintenance Dosing Nomogram ; Simplified Nomogram for Warfarin Maintenance Dosing; Patient Assessment Nomogram; Frequency of Monitoring; Monitoring with Chromogenic Factor X; Warfarin Reversal; Warfarin Patient Education; Conditions. Monitoring Antithrombotic Therapy.