I always test and dose at 9pm every day. Going on holiday or business trips has enough capacity to disrupt warfarin without forgetting a dose, so I decided to timezone adjust my dose to keep it at 9pm.
On this occasion I'm going to Bangkok, and i'm taking something around 8mg daily. Bangkok is 7 hours ahead of home, so I worked out my dose assuming 8mg is over 24 hours like this:
8/24 = 0.333 x 17 = 5.66. So I need a 5.6 dose instead of 8.
Then when I return I do the opposite:
8/24 = 0.333 x 31 = 10.3. So I need a 10.3 dose instead of 8.
Here's an example, results and doses:
On this occasion I'm going to Bangkok, and i'm taking something around 8mg daily. Bangkok is 7 hours ahead of home, so I worked out my dose assuming 8mg is over 24 hours like this:
8/24 = 0.333 x 17 = 5.66. So I need a 5.6 dose instead of 8.
Then when I return I do the opposite:
8/24 = 0.333 x 31 = 10.3. So I need a 10.3 dose instead of 8.
Here's an example, results and doses:
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