| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococci (Viridans group + erythromycin-susceptible) |
- |
1 |
? － ? |
Linezolid (PNU-100766, U-100766, Zyvox)  |
1112 |
| Streptococci (Viridans group + erythromycin-susceptible) |
- |
1 |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
1112 |
| Streptococci (Viridans group + penicillin-intermediate) |
≤0.01 |
≤0.01 |
≤0.01 － 0.25 |
Oritavancin (LY333328) |
4 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.03 |
0.25 |
≤0.01 － 0.5 |
Teicoplanin (Targocid) |
43 |
| Streptococci (Viridans group + penicillin-intermediate) |
>0.06 |
>8 |
? － ? |
Clindamycin (Cleocin) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.12 |
0.25 |
? － ? |
Tigecycline (GAR-936, Tigacyl) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.25 |
1 |
≤0.06 － 4 |
Cefotaxime (Cephotaxime, Claforan) |
43 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.3 |
0.5 |
0.12 － 0.5 |
Vancomycin (Vancocyn, Lyphocin) |
43 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.5 |
1 |
0.5 － 2 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
43 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.5 |
1 |
? － ? |
Quinupristin/Dalfopristin (Synercid) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.5 |
1 |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
0.5 |
2 |
? － ? |
Ceftriaxone (Rocephin) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
>1 |
>4 |
? － ? |
Levofloxacin (Levaquin, Quixin) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
>1 |
>8 |
? － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
≤2 |
≤2 |
? － ? |
Amoxicillin-clavulanate |
39 |
| Streptococci (Viridans group + penicillin-intermediate) |
>2 |
>4 |
≤0.25 － >4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
43 |
| Streptococci (Viridans group + penicillin-intermediate) |
>8 |
>8 |
? － ? |
Tetracycline (Sumycin, Achromycin V, Steclin) |
39 |
| Streptococci (Viridans group + penicillin-resistant) |
0.01 |
0.06 |
0.01 － 0.06 |
Oritavancin (LY333328) |
4 |
| Streptococci (Viridans group + penicillin-resistant) |
0.01 |
0.5 |
≤0.01 － 0.5 |
Teicoplanin (Targocid) |
43 |
| Streptococci (Viridans group + penicillin-resistant) |
0.03 |
0.06 |
0.02 － 0.12 |
Tigecycline (GAR-936, Tigacyl) |
476 |
| Streptococci (Viridans group + penicillin-resistant) |
0.12 |
16 |
0.06 － 32 |
Minocycline (Minocycline hydrochloride, Minocin) |
476 |
| Streptococci (Viridans group + penicillin-resistant) |
0.25 |
0.25 |
0.06 － 0.25 |
Sparfloxacin (AT-4140, Zagam) |
117 |
| Streptococci (Viridans group + penicillin-resistant) |
0.25 |
0.25 |
0.125 － 4 |
Moxifloxacin (BAY 12-8039, Avelox) |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
0.25 |
0.5 |
0.25 － 0.5 |
Sparfloxacin (AT-4140, Zagam) |
374 |
| Streptococci (Viridans group + penicillin-resistant) |
0.25 |
16 |
0.02 － 32 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
476 |
| Streptococci (Viridans group + penicillin-resistant) |
0.25 |
64 |
0.02 － 64 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
476 |
| Streptococci (Viridans group + penicillin-resistant) |
0.3 |
0.5 |
0.25 － 1 |
Vancomycin (Vancocyn, Lyphocin) |
43 |
| Streptococci (Viridans group + penicillin-resistant) |
0.5 |
0.5 |
0.5 － 8 |
Clindamycin (Cleocin) |
1396 |