Abstract
Glyburide, a second-generation sulfonylurea hypoglycemic agent, is metabolized by the P-450 hepatic enzyme system. Ciprofloxacin, a widely used quinolone antibiotic, is a recognized P-450 enzyme inhibitor. Conflicting data exist in the medical literature on the ability of quinolone antibiotics to inhibit glyburide hepatic metabolism. We present a case of hypoglycemia and an elevated serum glyburide level after 1 week of ciprofloxacin use in a patient receiving long-term glyburide therapy. Clinicians should consider this potential interaction in patients taking glyburide who require antibiotic therapy. [Roberge RJ, Kaplan R, Frank R, Fore C. Glyburide-ciprofloxacin interaction with resistant hypoglycemia. Ann Emerg Med. August 2000;36:160-163.]
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