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Levofloxacin (Levaquin, Quixin)
Levofloxacin (Levaquin, Quixin)
more info
Microorganism
MIC50
(μg/ml)
MIC90
(μg/ml)
Range
(μg/ml)
Reference
Streptococcus
(group D)
>4
>4
0.06 - >4
472
Streptococcus acidominimus
1
2
0.25 - 2
1544
Streptococcus agalactiae
0.5
0.5
0.5 - 0.5
109
Streptococcus agalactiae
0.5
1
≤0.06 - 32
475
Streptococcus agalactiae
0.5
1
0.25 - 4
1467
Streptococcus agalactiae
0.5
1
0.5 - 1
120
Streptococcus agalactiae
0.5
1
? - ?
36
Streptococcus agalactiae
0.78
0.78
0.39 - 0.78
17
Streptococcus agalactiae
1
1
0.5 - 1
175
Streptococcus agalactiae
1
1
0.5 - 2
225
Streptococcus agalactiae
1
1
1 - 2
244
Streptococcus agalactiae
(ATCC 13813)
-
-
1 - ?
1034
Streptococcus anginosus
0.5
2
0.25 - 2
1544
Streptococcus anginosus
1
1
0.12 - >8
1467
Streptococcus bovis
1
1
0.12 - >8
1467
Streptococcus bovis
2
2
1 - 4
225
Streptococcus constellatus
0.5
2
0.25 - 2
1544
Streptococcus constellatus
1
1
0.12 - >8
1467
Streptococcus constellatus
(ATCC 27923)
-
-
1 - ?
1477
Streptococcus epidermidis
>0.25
>16
0.12 - >16
1279
Streptococcus epidermidis
(fluoroquinolone-resistant)
>16
>16
8 - >16
1279
Streptococcus intermedius
0.5
2
0.25 - 2
1544
Streptococcus intermedius
1
1
0.12 - >8
1467
Streptococcus intermedius
>2
>4
≤0.03 - >4
472
Streptococcus intermedius
(ATCC 27335)
-
-
1 - ?
1477
Streptococcus intermedius
(GAI 7416)
-
-
0.5 - ?
397
Streptococcus milleri
0.5
0.5
0.25 - 1
12
Streptococcus mitis
1
1
0.12 - >8
1467
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