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PTINR level dropped all of a sudden
I am taking a blood thinner, Acitrom -3mg due to prosthetic mitral valve replacement and always maintain a INR level 2.0-2.5. Recently, with no changes to dosage and zero Vitamin k consumption, its has suddenly dropped to 1.3 which is dangerous with a prosthetic mitral valve. What could be the reason. This has never happened before in past 5.5 years. I have now increased the Acitrom dosage to 6mg. After how many days shall I go for PTINR test to see an increase.
Acitrom has many food interactions, specifically with green leafy vegetables, apart from many drug interactions affecting its metabolism
All the more With a prosthetic mitral valve INR should be between 2.5-3.5 as higher chances of thrombogenecity
Next Steps
Suddenly doubling the dose to 6mg is not advised
Health Tips
Repeat INR with 72 hrs of increased dose
Answered
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