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Levofloxacin (Levaquin, Quixin)
Levofloxacin (Levaquin, Quixin)
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Microorganism
MIC50
(μg/ml)
MIC90
(μg/ml)
Range
(μg/ml)
Reference
Enterococci (vancomycin-resistant)
>4
>4
1 - >4
265
Enterococci (vancomycin-susceptible)
>-
>4
0.5 - >4
265
Enterococcus avium
2
2
1 - 2
117
Enterococcus avium
>2
>4
0.25 - >4
1130
Enterococcus avium
2
32
≤0.25 - >64
371
Enterococcus avium
>4
>4
0.06 - >4
472
Enterococcus casseliflavus
2
2
0.25 - 2
225
Enterococcus casseliflavus
>2
>4
0.25 - >4
1130
Enterococcus casseliflavus
2
4
2 - 4
117
Enterococcus casseliflavus
>4
>4
0.06 - >4
472
Enterococcus durans
>2
>4
0.25 - >4
1130
Enterococcus durans
>4
>4
0.06 - >4
472
Enterococcus faecalis
0.25
2
0.006 - 2
1544
Enterococcus faecalis
0.5
1
0.5 - 16
16
Enterococcus faecalis
1
2
0.5 - 2
244
Enterococcus faecalis
1
2
0.5 - 4
117
Enterococcus faecalis
>1
>4
0.25 - >4
1130
Enterococcus faecalis
1
32
0.25 - 32
497
Enterococcus faecalis
1
32
0.5 - 64
443
Enterococcus faecalis
1
32
0.5 - 64
130
Enterococcus faecalis
1
32
0.5 - 128
268
Enterococcus faecalis
>=1
≥64
≤0.0625 - >=64
475
Enterococcus faecalis
1
64
1 - 64
56
Enterococcus faecalis
1.56
50
0.78 - 50
17
Enterococcus faecalis
2
32
≤0.25 - >64
371
Enterococcus faecalis
2
64
1 - >128
109
Enterococcus faecalis
>4
>4
0.06 - >4
472
Enterococcus faecalis
>16
>16
0.5 - >16
1279
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