Understanding Warfarin

Here at Eat On Warfarin we want to provide you with the simple facts about Warfarin to help you understand the medication that you have been prescribed. All the information in this section is presented in straightforward, easy to understand language giving you quick access to the things you need to know.

What is Warfarin?

What is Warfarin?

Warfarin is an anticoagulant drug which means that it is used to slow down the blood clotting process.  It is often referred to as a ‘blood thinner’ but Warfarin does not actually thin the blood, it just makes the blood less susceptible to...
Why is Warfarin prescribed?

Why is Warfarin prescribed?

When we cut ourselves, or suffer an injury, it is important that our blood clots so that any bleeding we experience will stop quickly. Clotting in this type of scenario is absolutely vital to our survival but when a clot forms unexpectedly inside the body this can be...
How does Warfarin work?

How does Warfarin work?

Warfarin is prescribed to help prevent clots forming in the blood which could lead to a stroke, heart attack or other serious health condition.  So how does warfarin work? The human liver produces a group of proteins which control the process of blood clotting...
What is an INR?

What is an INR?

INR stands for International Normalised Ratio, but what is an INR? To explain, The number of seconds that it takes for a sample of blood to clot is known as the Prothrombin time (PT). When testing of blood samples is carried out in the laboratory the PT recorded can...
Why must I have blood tests while taking Warfarin?

Why must I have blood tests while taking Warfarin?

You will require to have regular blood tests while taking Warfarin to monitor your INR.  This is necessary so that the time it takes for your blood to clot can be kept within the Therapeutic range that your doctor has established is right for you. Keeping your INR...
How often do I need to have an INR test?

How often do I need to have an INR test?

When starting Warfarin it is likely that you will have blood tests on a daily basis. This will continue until your doctor is satisfied that your INR test results are consistently within the Therapeutic Range set for you. Once you are in a period of stability, and your...
How are INR blood tests performed?

How are INR blood tests performed?

For the most part, INR testing takes place at the hospital or doctor’s surgery. The test involves withdrawing blood, usually from a vein in the arm.  This blood sample is then sent to a laboratory to be analysed.  The results of the test will be sent back to the...
What happens when I get my INR test results?

What happens when I get my INR test results?

When you are given your INR test results the doctor will discuss with you whether your Warfarin dose will stay the same or needs to be adjusted. The doctor’s aim is to try and maintain your blood clotting time within your Therapeutic Range so that you will neither be...
Why should I carry information about my INR?

Why should I carry information about my INR?

A medical alert device could prove vital to anyone on Warfarin. If you are taking Warfarin your blood will take longer to clot than that of the average person. This means that if you cut yourself, or you are injured, it may take longer to get the bleeding to stop. ...
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