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Warfarin

Drug Class: Commonly Known As: Category:
Anticoagulant Marevan® Adult

Warfarin - What is it for

Warfarin is an anticoagulant, sometimes called a "blood thinner”

Warfarin prevents clot formation and existing clots from getting bigger

Warfarin does not dissolve clots that have already formed as your body’s natural processes will dissolve the clots

We currently keep three strengths of warfarin as described below:

​Strength (mg)​Colour
​1​Brown
​3

​Blue

​5
​Pink

Do not change brands as they may have slightly different effectiveness

Why are you taking Warfarin?

You are prescribed warfarin by your doctor for:

□ Existing clots in the lungs, veins, arteries or heart

□ Irregular heart rhythm

□ Heart valve replacements

□ Stroke

□ Others: _____________

  • To reduce the clotting ability of your blood thus preventing further complications
  • Duration of treatment may vary from 3-6 months to long term depending on your condition

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