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If your PT/INR test result is too low, it means that your dose of warfarin may not be enough to protect your blood from clotting. Your warfarin dose needs to be increased. On the other hand, if your PT/INR test result is too high, it means that your blood is clotting too slowly and you are at risk of bleeding. In that case, your dose of warfarin would be reduced. Your doctor will increase or decrease the dose according to your PT/INR test result.
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