Brachiosaurus  Braxton wrote 2 months ago


I have been on Warfarin for many years and until recently would go to the lab monthly to have the INR test. Fortunately my INR was always pretty stable results being between 2.0 and 2.5. I now have to go weekly to the lab because for the last 6 weeks the INR results have been going from low to high. One week it is 1.8 and then the next week it is 3.5. The doctor of course keeps adjusting the Warfarin dosage. I am very careful with my diet and do not eat foods that are high in vitamin K.. I had pneumonia recently and was on penicillin for 10 days but finished that medication on the 7th December so that should be out of my system. by now. Quite the puzzle as to why the sudden change. Anyone experienced this?

I didn't find the right solution from the Internet.

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Black lambo  blexie - (35) - posted 7 days ago

penicillin will make your inr go up, coauguchek XS machine is what I use, I test Twice a week and I adjust dosage as necessary.

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Tiger  Sassyspy - - posted about 1 month ago

I dont know how old this post is, but I am having very similar problems. But my INR has gotten as high as 12!! Required hospitalization obviously. Vitamin k took it down to 1.5, then it took a few weeks to get it back up to 3
Well 3 days ago was 4.9. Today is 4.5. Im going nuts trying to stabilize again.
Im trying to get approved for home testing, I think I would do better if able to test myself after a potential altering event.
If you have stabilized by now, could you update on the cause and solution?

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