eighty-six men with uncomplicated gonorrhoea were entered into a study comparing the efficacy of a single oral dose of 250 mg of ciprofloxacin with a single oral dose of ampicillin 2 g and probenecid 1 g for urethral gonorrhoea and a course of ampicillin , 500 mg four times per day for five days in rectal and pharyngeal infection .
C0018081
gonorrhoea
C0002680
ampicillin