HomeSearch by AntimicrobialLevofloxacin (Levaquin, Quixin)
Microorganism MIC50sort
(μg/ml)
MIC90sort
(μg/ml)
Rangesort
(μg/ml)
Reference
Streptococcus pneumonia (ATCC 7257 + quinolone-resistant) - - 16 - ? 437
Streptococcus pneumonia (ATCC 7257) - - 16 - ? 437
Streptococcus pneumonia (ciprofloxacin-resistant) - - 8 - 32 443
Streptococcus pneumonia (ciprofloxacin-resistant) - - 8 - 32 130
Streptococcus pneumonia (CP1000) - - 1 - ? 388
Streptococcus pneumonia (Duke-2) - - 1 - ? 918
Streptococcus pneumonia (erythromycin-resistant + 2000-2001) 1 1 0.25 - 128 369
Streptococcus pneumonia (erythromycin-resistant + 2001-2002) 1 1 0.25 - 64 369
Streptococcus pneumonia (erythromycin-resistant + 2002-2003) 1 1 >0.12 - 32 369
Streptococcus pneumonia (erythromycin-resistant + 2003-2004) 1 1 >0.12 - 32 369
Streptococcus pneumonia (fluoroquinolone-resistant) >16 >16 8 - >32 189
Streptococcus pneumonia (J24) - - 1 - ? 332
Streptococcus pneumonia (KD2138) - - 1 - ? 229
Streptococcus pneumonia (KD2138) - - 1.5 - ? 229
Streptococcus pneumonia (KD2139) - - 0.5 - ? 229
Streptococcus pneumonia (KD2139) - - 0.75 - ? 229
Streptococcus pneumonia (KT2524 + penicillin-resistant) - - 8 - ? 397
Streptococcus pneumonia (levofloxacin-intermediate) - - 4 - ? 452
Streptococcus pneumonia (levofloxacin-intermediate-resistant) 16 32 4 - 64 268
Streptococcus pneumonia (levofloxacin-resistant) 16 16 8 - 32 225
Streptococcus pneumonia (levofloxacin-resistant) - - ≥8 - ? 452
Streptococcus pneumonia (levofloxacin-susceptible) - - ≤2 - ? 452
Streptococcus pneumonia (M3) - - 0.5 - ? 59
Streptococcus pneumonia (M4) - - 2 - ? 59
Streptococcus pneumonia (methicillin-resistant) 1 1 0.5 - 1 56
Streptococcus pneumonia (methicillin-susceptible) 0.5 1 0.25 - 2 56
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.25 - 2 195
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.5 - 2 73