Best Antibiotics for Complicated UTI in Men with Prior Ciprofloxacin Resistance

First-Line and Alternative Treatment Options

For a male patient with a complicated UTI and prior resistance to ciprofloxacin, aminoglycosides such as gentamicin are the recommended first-line therapy, with newer β-lactam/β-lactamase inhibitor combinations as effective alternatives 1
Ceftazidime/avibactam 2.5 g IV q8h is recommended for complicated UTIs caused by resistant organisms 1

For complicated UTIs, the recommended treatment duration is 5-10 days 1
Duration should be adjusted based on clinical response and source control 1
Obtain urine culture before starting antibiotics to guide targeted therapy if empiric treatment fails 2
If symptoms persist after 72 hours of treatment, reevaluate the diagnosis and consider imaging to rule out complications 2
Consider follow-up urine culture after completion of therapy to ensure resolution of infection 2
Fluoroquinolones (including levofloxacin) should be avoided due to prior resistance to ciprofloxacin 3