Warfarin dose schedule

Warfarin dosing is guided by clinical factors and pharmacogenomics. Despite evidence regarding the improvement in warfarin dosing with dose-calculation formulae, such as provided by http://warfarindosing.org , implementation of dosing guidelines can be challenging.

This webpage displays the possible dispensable weekly doses of warfarin to a user supplied goal weekly warfarin dose, and can be limited to a given warfarin pill strength. By default, the list is sorted such that the nearest doses are displayed at the top. Possible dispensable weekly doses are those that can be achieved with 0.5, 1, 1.5, or 2 pill increments of the same pill strength (e.g., a 5mg tablet).

Download the full dose schedule in Microsoft® Excel® format here.

Weekly dose (mg) Pill strength (mg) Dosing schedule Instructions Same-Day Dosing (Identical all 7 days)sort icon Difference between specified weekly dose
34 4 4+3 take 1 tab for 4 days and 1.5 tabs for 3 day for total weekly dose 34 dispense 4 mg tabs
34.5 3 5+2 take 1.5 tabs for 5 days and 2 tabs for 2 day for total weekly dose 34.5 dispense 3 mg tabs
36 3 5+2 take 2 tabs for 5 days and 1 tab for 2 day for total weekly dose 36 dispense 3 mg tabs
36 3 4+3 take 1.5 tabs for 4 days and 2 tabs for 3 day for total weekly dose 36 dispense 3 mg tabs
36 4 5+2 take 1 tab for 5 days and 2 tabs for 2 day for total weekly dose 36 dispense 4 mg tabs
36 4 4+3 take 1.5 tabs for 4 days and 1 tab for 3 day for total weekly dose 36 dispense 4 mg tabs
36 6 5+2 take 1 tab for 5 days and 0.5 tab for 2 day for total weekly dose 36 dispense 6 mg tabs
37.5 3 6+1 take 2 tabs for 6 days and 0.5 tab for 1 day for total weekly dose 37.5 dispense 3 mg tabs
37.5 3 4+3 take 2 tabs for 4 days and 1.5 tabs for 3 day for total weekly dose 37.5 dispense 3 mg tabs
37.5 5 6+1 take 1 tab for 6 days and 1.5 tabs for 1 day for total weekly dose 37.5 dispense 5 mg tabs
37.5 5 4+3 take 1.5 tabs for 4 days and 0.5 tab for 3 day for total weekly dose 37.5 dispense 5 mg tabs
37.5 7.5 6+1 take 0.5 tab for 6 days and 2 tabs for 1 day for total weekly dose 37.5 dispense 7.5 mg tabs
37.5 7.5 4+3 take 0.5 tab for 4 days and 1 tab for 3 day for total weekly dose 37.5 dispense 7.5 mg tabs
38 4 6+1 take 1.5 tabs for 6 days and 0.5 tab for 1 day for total weekly dose 38 dispense 4 mg tabs
38 4 5+2 take 1.5 tabs for 5 days and 1 tab for 2 day for total weekly dose 38 dispense 4 mg tabs
38 4 4+3 take 2 tabs for 4 days and 0.5 tab for 3 day for total weekly dose 38 dispense 4 mg tabs
39 3 6+1 take 2 tabs for 6 days and 1 tab for 1 day for total weekly dose 39 dispense 3 mg tabs
39 3 5+2 take 2 tabs for 5 days and 1.5 tabs for 2 day for total weekly dose 39 dispense 3 mg tabs
39 6 6+1 take 1 tab for 6 days and 0.5 tab for 1 day for total weekly dose 39 dispense 6 mg tabs
39 6 5+2 take 0.5 tab for 5 days and 2 tabs for 2 day for total weekly dose 39 dispense 6 mg tabs
39 6 4+3 take 0.5 tab for 4 days and 1.5 tabs for 3 day for total weekly dose 39 dispense 6 mg tabs
40 4 6+1 take 1.5 tabs for 6 days and 1 tab for 1 day for total weekly dose 40 dispense 4 mg tabs
40 4 4+3 take 1 tab for 4 days and 2 tabs for 3 day for total weekly dose 40 dispense 4 mg tabs
40 5 6+1 take 1 tab for 6 days and 2 tabs for 1 day for total weekly dose 40 dispense 5 mg tabs
40 5 5+2 take 1 tab for 5 days and 1.5 tabs for 2 day for total weekly dose 40 dispense 5 mg tabs