Which laboratory blood test result for a patient taking clarithromycin (Biaxin) and warfarin (Coumadin) should you report immediately to the prescriber?
A) Potassium 3.6 mEq/L
B) Sodium 134 mEq/L
C) Blood urea nitrogen (BUN) 21 mg/dL
D) International normalized ratio (INR) 4.6
Correct Answer:
Verified
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