| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococci (Viridans group) |
0.25 |
2 |
≤0.06 － >4 |
Co-trimoxazole (Trimethoprim-sulfamethoxazole, TMP-SMX)  |
73 |
| Streptococci (Viridans group) |
0.25 |
3 |
? － ? |
Cefepime (Maxipime) |
126 |
| Streptococci (Viridans group) |
0.25 |
4 |
≤0.25 － 16 |
Zosyn |
371 |
| Streptococci (Viridans group) |
0.25 |
8 |
≤0.06 － 32 |
Ampicillin (Omnipen) |
119 |
| Streptococci (Viridans group) |
0.5 |
1 |
≤0.03 － >1 |
Daptomycin (Cubicin) |
73 |
| Streptococci (Viridans group) |
0.5 |
1 |
≤0.06 － 4 |
Quinupristin/Dalfopristin (Synercid) |
265 |
| Streptococci (Viridans group) |
0.5 |
1 |
≤0.12 － 2 |
Vancomycin (Vancocyn, Lyphocin) |
371 |
| Streptococci (Viridans group) |
0.5 |
1 |
<0.25 － 1 |
Linezolid (PNU-100766, U-100766, Zyvox) |
1060 |
| Streptococci (Viridans group) |
0.5 |
1 |
0.25 － 1 |
Vancomycin (Vancocyn, Lyphocin) |
265 |
| Streptococci (Viridans group) |
0.5 |
1 |
0.25 － 1 |
Vancomycin (Vancocyn, Lyphocin) |
73 |
| Streptococci (Viridans group) |
0.5 |
1 |
0.25 － 4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
19 |
| Streptococci (Viridans group) |
0.5 |
1 |
0.25 － >8 |
Levofloxacin (Levaquin, Quixin) |
73 |
| Streptococci (Viridans group) |
0.5 |
1 |
0.5 － 1 |
Vancomycin (Vancocyn, Lyphocin) |
67 |
| Streptococci (Viridans group) |
0.5 |
1 |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
126 |
| Streptococci (Viridans group) |
0.5 |
8 |
0.001 － >=64 |
Clarithromycin (Biaxin) |
950 |
| Streptococci (Viridans group) |
>0.5 |
>8 |
≤0.06 － >8 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
73 |
| Streptococci (Viridans group) |
1 |
1 |
0.12 － 2 |
Linezolid (PNU-100766, U-100766, Zyvox) |
265 |
| Streptococci (Viridans group) |
1 |
1 |
0.25 － 2 |
Linezolid (PNU-100766, U-100766, Zyvox) |
73 |
| Streptococci (Viridans group) |
1 |
2 |
≤0.03 － >4 |
Levofloxacin (Levaquin, Quixin) |
265 |
| Streptococci (Viridans group) |
1 |
2 |
0.12 － 2 |
Daptomycin + 25 μg/ml Ca++ |
67 |
| Streptococci (Viridans group) |
1 |
2 |
≤0.12 － 4 |
Linezolid (PNU-100766, U-100766, Zyvox) |
371 |
| Streptococci (Viridans group) |
1 |
2 |
0.25 － 4 |
Levofloxacin (Levaquin, Quixin) |
120 |
| Streptococci (Viridans group) |
1 |
2 |
≤0.25 － 4 |
Levofloxacin (Levaquin, Quixin) |
371 |
| Streptococci (Viridans group) |
1 |
2 |
0.25 － >16 |
Mupirocin (Bactroban) |
120 |
| Streptococci (Viridans group) |
1 |
2 |
1 － 4 |
Levofloxacin (Levaquin, Quixin) |
3 |
| Streptococci (Viridans group) |
>1 |
>8 |
≤0.008 － >8 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
120 |
| Streptococci (Viridans group) |
2 |
2 |
0.5 － 4 |
GSQ1530 |
1060 |
| Streptococci (Viridans group) |
2 |
2 |
≤0.5 － 4 |
Linezolid (PNU-100766, U-100766, Zyvox) |
73 |