Thrombosis Service

HomePatient InformationWarfarin Therapy GuideWarfarin Therapy Guide

Warfarin Therapy Guide

Here are key points to remember when you are taking warfarin.

key points Warfarin helps protect you from blood clots but can also cause bleeding.
key points Everyone involved in your care needs to know you take warfarin. Wear medical alert jewelry,such as a bracelet or necklace, which says you are taking warfarin.
key points Take warfarin once a day in the evening.
key points You need regular blood tests. The blood test is called an INR.
key points You will get instructions from your health care provider about how much warfarin to take after each blood test. They will tell you whether to keep taking the same amount of medicine or what changes to make.
   
key points Changes in the following things can affect your test result - If you have a change in any of these, call your health care provider:
  • Changes in any medicine you take
  • Changes in what you eat or drink
  • Changes in your health
key points You need to take steps to prevent falls, injury or accidents.
key points If you need surgery or a procedure, contact your health care provider. You may need changes in your warfarin.
key points Keep your warfarin log and medicine list current.
key points Go to the emergency room if you have major bleeding.
key points Always ask questions about things you do not understand.

< Back | Next >