Severe hyperglycemia during renally adjusted gatifloxacin therapy.

Objective: To report a case of severe hyperglycemia in a nondiabetic patient receiving gatifloxacin that was properly dosed based on renal function.

Case Summary: A 65-year-old nondiabetic female with progressive renal dysfunction was admitted for severe hyperglycemia. The patient had received 9 days of a 10-day course of renally adjusted therapy with gatifloxacin 200 mg/day for bronchitis.