Table 1.

Drugs with activity against planktonic P. aeruginosa.

Drug	Class	% Inhibition at 10 μM
Cefotaxime sodium salt	Cephalosporin	50.7
Aztreonam	Monolactam	98.7
Cefoperazone dihydrate	Cephalosporin	98.4
Colistin sulfate	Polymyxin	99.5
Dirithromycin	Macrolide	73.9
Ceftazidime pentahydrate	Cephalosporin	83.8
Piperacillin sodium salt	Penicillin	77.3
Azlocillin sodium salt	Penicillin	99.4
Cefsulodin sodium salt	Cephalosporin	72.3
Cefepime HCl	Cephalosporin	99.8
Azithromycin	Macrolide	76.1
Cefpiramide	Cephalosporin	99.4
Ciprofloxacin HCl	Fluoroquinolone	99.7
Dihydrostreptomycin sulfate	Aminoglycoside	99.8
Gentamicin sulfate	Aminoglycoside	99.9
Norfloxacin	Fluoroquinolone	97.1
Lomefloxacin HCl	Fluoroquinolone	64.1
Streptomycin sulfate	Aminoglycoside	99.7
Amikacin hydrate	Aminoglycoside	99.9
Tosufloxacin HCl	Fluoroquinolone	99.9
Tobramycin	Aminoglycoside	99.9
Sisomycin sulfate	Aminoglycoside	99.9
Merbromin	Organomercuric	99.8
Clinafloxacin	Fluoroquinolone	99.9
Apramycin	Aminoglycoside	96.1
Sarafloxacin	Fluoroquinolone	99.9
Rifabutin	Ansamycin	85.8
Gatifloxacin	Fluoroquinolone	99.9
Moxifloxacin	Fluoroquinolone	93.8
Fleroxacin	Fluoroquinolone	99.3
Enoxacin	Fluoroquinolone	99.9
Sparfloxacin	Fluoroquinolone	99.9
Rifaximin	Ansamycin	91.3
Besifloxacin HCl	Fluoroquinolone	99.9