| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococci (Viridans group + penicillin-resistant) |
0.5 |
0.5 |
0.5 － ? |
Vancomycin (Vancocyn, Lyphocin)  |
374 |
| Streptococci (Viridans group + penicillin-resistant) |
0.5 |
2 |
≤0.015 － 64 |
Minocycline (Minocycline hydrochloride, Minocin) |
1396 |
| Streptococci (Viridans group + penicillin-resistant) |
0.5 |
2 |
0.5 － 64 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1396 |
| Streptococci (Viridans group + penicillin-resistant) |
0.5 |
- |
≤0.12 － 1 |
Daptomycin (Cubicin) |
483 |
| Streptococci (Viridans group + penicillin-resistant) |
0.5 |
- |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
39 |
| Streptococci (Viridans group + penicillin-resistant) |
1 |
2 |
0.25 － 4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
117 |
| Streptococci (Viridans group + penicillin-resistant) |
1 |
2 |
0.5 － 2 |
Levofloxacin (Levaquin, Quixin) |
117 |
| Streptococci (Viridans group + penicillin-resistant) |
1 |
2 |
0.5 － 32 |
Levofloxacin (Levaquin, Quixin) |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
1 |
4 |
0.008 － >128 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
1 |
4 |
1 － 4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
374 |
| Streptococci (Viridans group + penicillin-resistant) |
1 |
- |
? － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
39 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
2 |
0.5 － 4 |
Ofloxacin (Floxin) |
117 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
4 |
0.5 － 64 |
Ofloxacin (Floxin) |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
4 |
2 － 4 |
Cefazolin (Ancef, Kefzol, Zolicef) |
1396 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
8 |
0.125 － 16 |
Amoxicillin-clavulanate |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
8 |
1 － 64 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
16 |
0.25 － 64 |
Cefuroxime (Kefurox, Zinacef) |
19 |
| Streptococci (Viridans group + penicillin-resistant) |
2 |
- |
? － ? |
Amoxicillin-clavulanate |
36 |
| Streptococci (Viridans group + penicillin-resistant) |
>4 |
>4 |
≤0.25 － >4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
43 |
| Streptococci (Viridans group + penicillin-resistant) |
>4 |
>4 |
4 － >4 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
43 |
| Streptococci (Viridans group + penicillin-resistant) |
>4 |
>4 |
4 － >4 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
43 |
| Streptococci (Viridans group + penicillin-resistant) |
>4 |
>8 |
1 － >8 |
Cefotaxime (Cephotaxime, Claforan) |
43 |
| Streptococci (Viridans group + penicillin-resistant) |
4 |
8 |
1 － 16 |
Levofloxacin (Levaquin, Quixin) |
1396 |
| Streptococci (Viridans group + penicillin-resistant) |
4 |
- |
? － ? |
Ceftriaxone (Rocephin) |
39 |
| Streptococci (Viridans group + penicillin-resistant) |
8 |
8 |
4 － 8 |
Cefmetazole |
1396 |
| Streptococci (Viridans group + penicillin-resistant) |
>128 |
>128 |
64 － >128 |
D-ofloxacin |
117 |
| Streptococci (Viridans group + penicillin-resistant) |
- |
0.03 |
≤0.008 － 0.06 |
Dalbavancin |
1112 |
| Streptococci (Viridans group + penicillin-resistant) |
- |
0.03 |
? － ? |
Dalbavancin |
1112 |