The warfarin dosages suggested by my MD are daily alternating - full tablet, half tablet, full tablet, half tablet, etc. My INR rises and falls like a sine wave in relation to my dosage schedule. On average I take .75 of a tablet per day. Assuming I can do an accurate break at 3/4 tablet, wouldn't it make more sense for me to take .75 of a tablet daily? And obviously if a tablet is available at 75% of my present tablet I'd seek to switch to it.
It does make sense because of the lag in response from warfarin - many times if you take the higher dose every day your INR is too high but can be regulated with alternated dosing. Majority of patients I see in the hospital on warfarin have alternating doses - I take 1.5 tablets on Sun, Tues, Thu, Sat and 1 tablet on Mon, Wed, Fri.
- Warfarin Information for Consumers
- Warfarin Information for Healthcare Professionals (includes dosage details)
- Side Effects of Warfarin (detailed)
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