| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococcus spp. |
0.03 |
0.06 |
≤0.016 － 0.25 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)  |
412 |
| Streptococcus spp. |
0.06 |
0.06 |
≤0.008 － 0.5 |
Ceftriaxone (Rocephin) |
412 |
| Streptococcus spp. |
≤0.06 |
≤0.06 |
≤0.06 － >8 |
Clindamycin (Cleocin) |
412 |
| Streptococcus spp. |
0.06 |
2 |
≤0.06 － >32 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
412 |
| Streptococcus spp. |
≤0.12 |
≤0.12 |
≤0.12 － 0.5 |
Cefepime (Maxipime) |
412 |
| Streptococcus spp. |
≤2 |
≤2 |
≤2 － 4 |
Amoxicillin-clavulanate |
412 |
| Streptococcus spp. |
4 |
- |
2 － 16 |
Tiamulin (Tiamuline, Tiamutilin) |
608 |
| Streptococcus spp. |
8 |
16 |
≤0.25 － 128 |
Pexiganan |
112 |
| Streptococcus spp. |
8 |
32 |
2 － >32 |
Ibafloxacin |
930 |
| Streptococcus spp. |
25 |
25 |
? － ? |
Amlodipine |
1109 |
| Streptococcus spp. |
64 |
- |
32 － 128 |
Amoxicillin (Novamox, Amoxil) |
608 |
| Streptococcus spp. |
- |
100 |
? － ? |
Dobutamine |
1109 |
| Streptococcus spp. |
- |
100 |
? － ? |
Nifedipine |
1109 |
| Streptococcus spp. |
- |
- |
0.25 － 0.5 |
Vancomycin (Vancocyn, Lyphocin) |
89 |
| Streptococcus spp. |
- |
- |
0.25 － ? |
Eleutherine americana (Ethanol extract) |
919 |
| Streptococcus spp. |
- |
- |
2 － ? |
Mannopeptimycins (ε) |
89 |
| Streptococcus spp. |
- |
- |
4 － 8 |
Mannopeptimycins (δ) |
89 |
| Streptococcus spp. |
- |
- |
8 － ? |
Mannopeptimycins (γ) |
89 |
| Streptococcus spp. |
- |
- |
>32 － ? |
Mannopeptimycins (α) |
89 |
| Streptococcus spp. |
- |
- |
64 － >64 |
Mannopeptimycins (β) |
89 |
| Streptococcus spp. (clindamycin-resistant) |
≤0.12 |
≤0.12 |
? － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
18 |
| Streptococcus spp. (clindamycin-susceptible) |
≤0.12 |
≤0.12 |
? － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
18 |
| Streptococcus spp. (erythromycin-intermediate-susceptible) |
≤0.12 |
≤0.12 |
? － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
18 |
| Streptococcus spp. (erythromycin-resistant) |
0.12 |
0.25 |
? － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
18 |
| Streptococcus spp. (erythromycin-susceptible) |
≤0.12 |
≤0.12 |
? － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
18 |
| Streptococcus spp. (group C) |
0.016 |
0.12 |
≤0.008 － 2 |
Imipenem |
493 |
| Streptococcus spp. (group C) |
0.03 |
0.25 |
≤0.03 － 8 |
Amoxicillin-clavulanate |
493 |
| Streptococcus spp. (group C) |
0.12 |
0.5 |
≤0.008 － 4 |
Ertapenem (Invanz) |
493 |