Days of warfarin treatment | INR <1.5 | INR 1.5 to 1.9 | INR 2.0 to 3.0 | INR >3.0 |
Suggested initial dose for days 1 and 2 | ||||
Normal adult | 5 mg* | n/a | n/a | n/a |
Frail adult, malnourished, elderly, liver disease | 2.5 mg* | n/a | n/a | n/a |
Dosing for day 3 and beyond | ||||
Day 3 | 5 to 10 mg | 2.5 to 5 mg | 0 to 2.5 mg | No dose |
Day 4 | 10 mg | 5 to 7.5 mg | 0 to 5 mg | No dose |
Day 5 | 10 mg | 7.5 to 10 mg | 0 to 5 mg | No dose |
Day 6 | 7.5 to 12.5 mg | 5 to 10 mg | 0 to 7.5 mg | No dose |
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