Your INR can't get too low. The international normalized ratio is a way to compare PT or prothrombin times from one lab to another across the country & around the world. An INR of 1.0 or thereabouts is normal and indicates normal clotting. If you take warfarin to thin your blood, then your INR increases. We like it around 2-3 to prevent blood clots and strokes. Sometimes we like it higher, say 2.5-3.5, in folks w/mechanical heart valves, but never higher than that. Higher values mean you're more likely to bleed w/o provocation and have difficulty stopping the bleeding. That's why if you take warfarin, it's important to monitor your INR regularly. Hope this helps!
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