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PharmD101

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  1. How does diarrhea or vomiting affect someone's INR?

    PharmD101 replied to bennett12's topic in General Nursing
    Actually, the reason why INR is elevated in patients with diarrhea (on warfarin) is because diarrhea causes vitamin-k producing bacteria to be expelled in the lower GI tract - which results in decreased vitamin K stores and causes an exaggerated response to warfarin.

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