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A 80-year-old female asked:

My mom is on coumadin (warfarin) and lovenox but her inr is only 1.3. she recently had a stroke nd dvt. isnt she at risk of another stroke with low inr?

2 doctor answers2 doctors weighed in
Dr. Gurmukh Singh
Pathology 50 years experience
Not necessarily: Effect of Lovanox is not reflected in the INR. Did she start coumadin (warfarin) recently? Both are given till INR is more than 2 or 2.5 depending on the clinical circumstances.
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Dr. Peter H'doubler
Vascular Surgery 41 years experience
No: Lovenox provides anti coagulation while Coumadin (warfarin), (warfarin) which takes a long time to have a complete effect, as measured by INR, starts to work. She's not at increased risk. Make sure to look at the dietary restrictions and drug interactions with Coumadin (warfarin) which might be the reason the INR is still low.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jul 11, 2015

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