| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococcus agalactiae (erythromycin-resistant) |
0.03 |
0.06 |
0.03 － 0.06 |
Erythromycin (E-mycin, Ery-tab, Benzamycin)  |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
0.03 |
0.06 |
0.03 － 0.06 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
0.06 |
0.1 |
0.03 － 0.1 |
Moxifloxacin (BAY 12-8039, Avelox) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
0.06 |
0.1 |
0.06 － 0.1 |
Trovafloxacin (Trovan) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
0.5 |
0.5 |
0.5 － ? |
Quinupristin/Dalfopristin (Synercid) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
2 |
2 |
1 － 2 |
Linezolid (PNU-100766, U-100766, Zyvox) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
>4 |
>64 |
0.03 － >64 |
Clindamycin (Cleocin) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
8 |
64 |
0.2 － >64 |
Miocamycin (Miokamycin) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
>16 |
>64 |
1 － >64 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
35 |
| Streptococcus agalactiae (erythromycin-resistant) |
>16 |
>64 |
2 － >64 |
Roxithromycin |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.03 |
0.03 |
0.03 － 0.3 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.03 |
0.06 |
0.01 － 0.06 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.03 |
0.06 |
0.01 － 0.06 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.03 |
0.06 |
0.03 － 0.06 |
Clindamycin (Cleocin) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.06 |
0.1 |
0.06 － 0.1 |
Moxifloxacin (BAY 12-8039, Avelox) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.1 |
0.1 |
0.006 － 0.1 |
Trovafloxacin (Trovan) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.1 |
0.1 |
0.06 － 0.1 |
Roxithromycin |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.2 |
0.2 |
0.2 － ? |
Miocamycin (Miokamycin) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
0.5 |
0.5 |
0.5 － 1 |
Quinupristin/Dalfopristin (Synercid) |
35 |
| Streptococcus agalactiae (erythromycin-susceptible) |
2 |
2 |
2 － ? |
Linezolid (PNU-100766, U-100766, Zyvox) |
35 |
| Streptococcus agalactiae (group B) |
0.015 |
0.015 |
0.008 － 0.03 |
Imipenem |
248 |
| Streptococcus agalactiae (group B) |
0.06 |
0.06 |
0.03 － 0.06 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
248 |
| Streptococcus agalactiae (group B) |
0.06 |
0.12 |
? － ? |
Clinafloxacin (PD 127391) |
307 |
| Streptococcus agalactiae (group B) |
0.06 |
0.125 |
0.06 － 0.125 |
PD 124816 |
248 |
| Streptococcus agalactiae (group B) |
0.06 |
1 |
0.03 － 4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
248 |
| Streptococcus agalactiae (group B) |
0.125 |
0.125 |
0.125 － 0.25 |
Difluoroquinolone (PD 117596) |
248 |
| Streptococcus agalactiae (group B) |
0.125 |
0.13 |
0.6 － 0.125 |
Clinafloxacin (PD 127391) |
248 |
| Streptococcus agalactiae (group B) |
0.125 |
0.25 |
0.125 － 0.25 |
Cefazolin (Ancef, Kefzol, Zolicef) |
248 |