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About WarfarinWarfarin BasicsOverview
What is Warfarin? Minimize
  • Warfarin is a medicine that lowers the risk of blood clots forming in your body.
  • Blood tests are needed to monitor the effects of warfarin.
  • Bleeding is the most common side effect of warfarin.
 
Taking Warfarin Safely Minimize
  • There are two brands of warfarin. These are not the same, so don't change brands.
  • If you miss a dose take the missed dose as soon as possible. If you do not remember until the next day, skip the missed dose. Only take your usual dose for the day. Never take a double dose.
  • If you plan to become pregnant, talk to your doctor first.
 
Blood Tests Minimize
  • You need to have regular blood tests called INR tests. The frequency of the tests will change over the course of your treatment.
  • The dose of warfarin is changed based on the INR results.
 
Things That Affect Warfarin Minimize
  • Other medicine: Many medications can change the way warfarin works. This includes prescription and non-prescription medicines, vitamins and herbal supplements. Ask your doctor or pharmacist before starting anything new.
  • Diet: Certain foods will change the way warfarin works. Do not make significant changes to your diet while taking warfarin, try to eat a regular balanced diet.
 
Warfarin and Bleeding Minimize
  • Contact your doctor if you have any signs of unusual bleeding.
  • Make sure you tell other health professionals, such as other doctors, dentists, physiotherapists, etc that you are taking warfarin.
  • Think about ways you can do your normal activities without increasing the risk of hurting yourself e.g. wear gloves while gardening.
 
 
Last Updated: 27 Nov 2009