What happens if you miss a dose of warfarin
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- when should warfarin be taken
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- how often should warfarin be taken
How to adjust warfarin dose based on inr
What is a dangerous inr level on warfarin.
How and when to take warfarin
Dosage and strength
The usual warfarin dose for adults is 10mg a day for the first 2 days, then between 3mg and 9mg a day after that.
The usual warfarin dose for children depends on how much they weigh.
Warfarin tablets come in 4 different strengths.
The tablets and the boxes they come in are different colours to make it easier for you to take the right dose.
The strengths and colours are:
- 0.5mg – white tablet
- 1mg – brown tablet
- 3mg – blue tablet
- 5mg – pink tablet
Your dose may be made up of a combination of different coloured tablets.
Warfarin also comes as a liquid, where 1ml is equal to a 1mg (brown) tablet.
Warfarin liquid comes with a plastic syringe to help you measure the right amount.
Your warfarin dose may change often, especially in the first few weeks of treatment, until your doctor finds the dose that's right for you.
How to take it
You'll usually take warfarin once a day in the evening.
Take it at around the same time each day. This is so that if you need to change the dose after a routine blood test, you can do this th
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