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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
Staphylococcus aureus
(ciprofloxacin-resistant + methicillin-susceptible)
2
8
0.12 - 16
21
Staphylococcus aureus
(ciprofloxacin-resistant + methicillin-susceptible)
4
16
1 - 64
21
Staphylococcus aureus
(ciprofloxacin-susceptible + methicillin-resistant)
0.12
0.25
≤0.06 - 0.5
21
Staphylococcus aureus
(ciprofloxacin-susceptible + methicillin-resistant)
0.12
0.25
0.06 - 2
1467
Staphylococcus aureus
(ciprofloxacin-susceptible + methicillin-resistant)
0.39
0.39
0.1 - 0.78
17
Staphylococcus aureus
(ciprofloxacin-susceptible + methicillin-susceptible)
0.12
0.25
≤0.06 - 0.25
21
Staphylococcus aureus
(community-acquired + methicillin-resistant)
0.25
0.5
≤0.12 - >4
110
Staphylococcus aureus
(community-acquired + methicillin-resistant)
-
0.5
? - ?
602
Staphylococcus aureus
(community-associated + methicillin-resistant)
>32
>32
0.12 - >32
1376
Staphylococcus aureus
(community-associated + meticillin-resistant)
0.25
0.25
≤0.12 - 4
1130
Staphylococcus aureus
(FDA 209P + methicillin-susceptible)
-
-
0.125 - ?
397
Staphylococcus aureus
(FDA 209P)
-
-
0.25 - ?
332
Staphylococcus aureus
(fluoroquinolone-resistant)
-
32
? - ?
66
Staphylococcus aureus
(fluoroquinolone-susceptible)
-
0.38
? - ?
66
Staphylococcus aureus
(glycopeptide-intermediate)
>8
>8
0.25 - >8
175
Staphylococcus aureus
(glycopeptide-intermediate)
16
32
0.25 - 32
16
Staphylococcus aureus
(grl(A))
-
-
0.5 - ?
118
Staphylococcus aureus
(gyr(A))
-
-
0.25 - ?
118
Staphylococcus aureus
(H14-KV)
-
-
0.125 - ?
670
Staphylococcus aureus
(H5-KV)
-
-
0.125 - ?
670
Staphylococcus aureus
(health care-associated + methicillin-resistant)
4
8
0.12 - 32
1376
Staphylococcus aureus
(Hershey + vancomycin-resistant)
-
-
32 - ?
1034
Staphylococcus aureus
(heterogeneous + vancomycin-intermediate)
>4
>4
4 - >4
1130
Staphylococcus aureus
(K553 + methicillin-susceptible)
-
-
0.064 - ?
258
Staphylococcus aureus
(K553 + methicillin-susceptible)
-
-
0.125 - ?
258
Staphylococcus aureus
(KMP 9 + methicillin-resistant)
-
-
>128 - ?
397
Staphylococcus aureus
(KSA)
-
-
0.125 - ?
670
Staphylococcus aureus
(KT 0116 + methicillin-resistant)
-
-
>128 - ?
397
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