A member asked:

3 days on warfarin 1mg for my father for af inr not on target should i wait for its action or increase the dose and is it renal safe compaired2 others?

A doctor has provided 1 answer
Dr. Alan Heldman answered

Specializes in Cardiology

Warfarin dosing : 1 mg is a very low dose of warfarin and in most patients would not increase the INR (test of anticoagulation) much. Anticoagulation is used in many patients with atrial fibrillation (AF) to recur the risk of stroke, so it is important to get it right. Too low won't work, and too high risks bleeding. For individual advice, ask his doctor or get another opinion consultation here on HealthTap.

Answered 9/8/2016

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