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Understanding INR testing

The international normalised ratio (INR) test is a blood test used to monitor how long it takes for your blood to clot. This is especially important for individuals on anticoagulant medications, such as warfarin, to ensure their blood is clotting at a suitable rate. INR testing helps prevent complications related to blood clotting, such as excessive bleeding or blood clots.

Why INR testing is important

Maintaining the correct INR level is crucial for people on anticoagulant therapy. If your INR is too low, you may be at risk of developing blood clots. If it’s too high, you may be at risk of excessive bleeding. Regular INR testing helps to ensure that your medication is working correctly and that your blood is clotting as it should be.

INR testing at your local pharmacy

Your community pharmacy offers convenient and accessible INR testing services. These services allow you to monitor your INR levels regularly without frequent visits to the doctor or hospital.

INR tests do not require fasting or dietary changes; however, many medicines, foods or illnesses could affect the test, so it is important to tell your pharmacist about any medications or supplements you are taking, as well as any recent changes in your diet.


Find a pharmacy near you offering INR testing.

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