A patient requires an antibiotic that is most effective against P. aeruginosa. Which of the following is the quinolone of choice?
Ciprofloxacin is highly effective against P. aeruginosa. Others in the fluoroquinolone class have less activity toward P. aeruginosa, although they are effective against many other common gram-negative organisms. It is a potent enzyme inhibitor and participates in several of the clinically significant drug interactions.