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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Elevated INR Levels While On Warfarin?

I have a prosthetic mitral valve and take warfarin just under 4 mg per day. Target INR 3.0 to 3.5 due to TIA occurrence. Recently my urologist started me on testosterone cypionate injections. 1.5 mg every three weeks. My INR is running too high. Injections effect constant or tapering between shots? I do test at home. I am not sure if I am looking at a constant or variable related to when I get a shot YYYY@YYYY Thanks
Fri, 31 Aug 2018
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General Surgeon 's  Response
Hi,

If INR is high, then Warfarin has to be stopped or dosage must be reduced. Testosterone does not cause elevated INR values.

You can consult a physician and get evaluated.

Hope I have answered your query. Let me know if I can assist you further.
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What Causes Elevated INR Levels While On Warfarin?

Hi, If INR is high, then Warfarin has to be stopped or dosage must be reduced. Testosterone does not cause elevated INR values. You can consult a physician and get evaluated. Hope I have answered your query. Let me know if I can assist you further.