Home › Search by Antimicrobial › Levofloxacin (Levaquin, Quixin)
Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Enterococcus faecalis 16 32 1 － 32 225
Enterococcus faecalis - 2 ? － ? 341
Enterococcus faecalis - - 4.88 － ? 1004
Enterococcus faecalis - - 47 － ? 1132
Enterococcus faecalis (ATCC 19433) - - 2 － ? 332
Enterococcus faecalis (ATCC 29212) - - 0.5 － ? 397
Enterococcus faecalis (ATCC 29212) - - 1 － ? 1034
Enterococcus faecalis (ATCC 29212) - - 1.22 － ? 1256
Enterococcus faecalis (ATCC 29212) - - 2 － ? 193
Enterococcus faecalis (ESBL) - - 0.5 － 1 225
Enterococcus faecalis (fluoroquinolone-resistant) >16 >16 16 － >16 1279
Enterococcus faecalis (GC 2242 + van(A)) - - 1 － ? 175
Enterococcus faecalis (GC 2246 + van(B)) - - 1 － ? 175
Enterococcus faecalis (Group D) - - 9750 － ? 1136
Enterococcus faecalis (HLGR + ESBL) 1 1 1 － ? 117
Enterococcus faecalis (HLGR) 1 32 0.5 － 32 117
Enterococcus faecalis (MicroScan automated panel) - - ≤2 － >=4 1038
Enterococcus faecalis (quinolone-resistant) 4 16 1 － 32 3
Enterococcus faecalis (quinolone-susceptible) 0.5 1 0.5 － 1 3
Enterococcus faecalis (van(A)) 1 2 1 － 2 117
Enterococcus faecalis (van(A)) - - 16 － 32 225
Enterococcus faecalis (van(B)) 1 32 0.5 － 32 117
Enterococcus faecalis (van(B)) 16 32 0.25 － 32 225
Enterococcus faecalis (vancomycin-resistant) 1 2 0.25 － 32 16
Enterococcus faecalis (vancomycin-resistant) >1 >16 0.5 － >16 12
Enterococcus faecalis (vancomycin-resistant) >4 >4 0.25 － >4 1130
Enterococcus faecalis (vancomycin-resistant) >4 >4 1 － >4 483
Enterococcus faecalis (vancomycin-resistant) >4 >4 >4 － ? 244