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what causes a low inr

A member asked:
Dr. Robert Kwok
33 years experience Pediatrics
Nothing, because...: If nothing is going on, a person will have a normal inr, which is 0.8-1.2. The INR gets higher when a person is put on medication to become anticoagul ... Read More
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Dr. Rick Koch
Dr. Rick Koch answered
22 years experience Cardiology
Unless they are on: Warfarin this value is not low. If on warfarin dose should be increased unless they just started taking.

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A 36-year-old female asked:
Dr. Stuart Hickerson
32 years experience Family Medicine
Nephritis: Some type of nephritis. You should see your pediatrician, nephrologist or hematologist.
A 37-year-old female asked:
Dr. Joseph Woods
28 years experience Pathology
No but,,: A low INR is not a direct cause if pain. It stands for International Normalized Ratio and is the ratio of the patients prothrombin time to a normal ... Read More
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A 59-year-old female asked:
Dr. Addagada Rao
56 years experience General Surgery
Possible .also: due to different reason.Need evaluation , vascular studies to see your arterial system is intact . You started a decade ago Warfarin for venous insuf ... Read More
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A 26-year-old female asked:
Dr. George Mathew
58 years experience Cardiology
Low INR: Usually none, but u are taking a chance of getting the condition for wich it is given to prevent from. They are either systemic or pulmonary vascular ... Read More
A 49-year-old member asked:
Dr. Calvin Weisberger
51 years experience Cardiology
INR: Inr is a measure of clotting involving factors which we block with the drug warfarin. When the inr is high the factors are being blocked and clotting ... Read More
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A 35-year-old female asked:
Dr. Tony Ho
Dr. Tony Ho answered
14 years experience Infectious Disease
Not enough thinning: Assuming that you are on blood thinners, too low of an inr means that your blood isn't "thin" enough; it still clots more easily than is recommended. ... Read More
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A 44-year-old female asked:
Dr. Kelty Baker
28 years experience Hematology
Low INR: If you're not on anticoagulation, low inrs have been associated with a tendency to blood clots (this is how the prothrombin 20210 gene mutation was fo ... Read More
A member asked:
Dr. Rick Koch
Dr. Rick Koch answered
22 years experience Cardiology
With or: Without Coumadin (warfarin) ? Either way this is a dangerous level & needs treatment.
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A member asked:
Dr. Michael Dugan
Specializes in Hematology
More specific: Numbers here would be helpful. A "low" inr is of no significance. The platelets would depend on the magnitude of the increase.
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