A member asked:

I have dvt and have been in hospital for 5 weeks i am taking 20mgs methadone & 15 mgs of zopiclone12.5mgs of fentalyn can this effect inr?

A doctor has provided 1 answer

INR: No. Only liver disease interfering with the synthesis of some liver dependent coagulation factors, lack of vitamin k, and Coumadin like medicine (warfarine), or rats poison will increase the inr.

Answered 6/24/2014

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