A member asked:

Do antibiotics thin blood if not on warfarin? no warfarin since mon due to high inr. warfarin supposedly stopped 3+ days before need for and 1am fri start of antibiotic-but i dont trust mom's nursing home! inr still increased-from 5.5 wed to 6.4 sat?

A doctor has provided 1 answer

Dr. Gurmukh Singh answered

Unclear question: Antibiotics can potentiate the effect of warfarin. It is not feasible to provide a meaningful opinion without additional history, physical examination and may be some tests. Wish you and your mother good health!

Dr Rhoads agreed

Answered 12/29/2020

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A member asked:

Do antibiotics thin blood if not on warfarin? no warfarin since mon due to high inr. warfarin supposedly stopped 3+ days before need for and 1am fri start of antibiotic-but i dont trust mom's nursing home! inr still increased-from 5.5 wed to 6.4 sat?

A doctor has provided 1 answer

Dr. Gurmukh Singh answered

Dr Rhoads agreed

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