in a double-blind comparative trial , 100 men with uncomplicated gonorrhea caused by beta-lactamase-negative neisseria gonorrhoeae were treated with a single 0.25-g dose of ciprofloxacin administered orally or with 3.5 g of ampicillin plus 1.0 g of probenecid administered orally .
C0018081
gonorrhea
C0033209
probenecid