| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Streptococcus pneumonia (ATCC 5303 parent) |
- |
- |
0.5 － ? |
Cefaclor (Ceclor, Ceclor CD)  |
287 |
| Streptococcus pneumonia (ATCC 5303 parent) |
- |
- |
0.5 － ? |
Loracarbef (Lorabid) |
287 |
| Streptococcus pneumonia (ATCC 5649 + efflux-resistant) |
- |
- |
0.25 － ? |
Cethromycin (ABT-773) |
319 |
| Streptococcus pneumonia (ATCC 5649 + efflux-resistant) |
- |
- |
0.5 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
319 |
| Streptococcus pneumonia (ATCC 5649 + efflux-resistant) |
- |
- |
16 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
319 |
| Streptococcus pneumonia (ATCC 5649 + mef (A) + erythromycin-resistant + penicillin-resi) |
- |
- |
4 － ? |
Levofloxacin (Levaquin, Quixin) |
437 |
| Streptococcus pneumonia (ATCC 5649 + mef (A) + erythromycin-resistant + penicillin-resi) |
- |
- |
8 － ? |
A-692345 |
437 |
| Streptococcus pneumonia (ATCC 5649) |
- |
- |
0.06 － ? |
Cethromycin (ABT-773) |
343 |
| Streptococcus pneumonia (ATCC 5649) |
- |
- |
0.5 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
319 |
| Streptococcus pneumonia (ATCC 5649) |
- |
- |
8 － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
343 |
| Streptococcus pneumonia (ATCC 5649) |
- |
- |
16 － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
319 |
| Streptococcus pneumonia (ATCC 5649) |
- |
- |
8000 － ? |
Erythromycin Analogues |
1259 |
| Streptococcus pneumonia (ATCC 5737) |
- |
- |
8 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
319 |
| Streptococcus pneumonia (ATCC 5737) |
- |
- |
>128 － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
319 |
| Streptococcus pneumonia (ATCC 5957 + penicillin-resistant) |
- |
- |
1 － ? |
Levofloxacin (Levaquin, Quixin) |
437 |
| Streptococcus pneumonia (ATCC 5957 + penicillin-resistant) |
- |
- |
16 － ? |
A-692345 |
437 |
| Streptococcus pneumonia (ATCC 6303 + erythromycin-susceptible) |
- |
- |
0.004 － ? |
Cethromycin (ABT-773) |
319 |
| Streptococcus pneumonia (ATCC 6303 + erythromycin-susceptible) |
- |
- |
0.004 － ? |
Cethromycin (ABT-773) |
319 |
| Streptococcus pneumonia (ATCC 6303 + erythromycin-susceptible) |
- |
- |
0.004 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
319 |
| Streptococcus pneumonia (ATCC 6303 + erythromycin-susceptible) |
- |
- |
0.004 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
319 |
| Streptococcus pneumonia (ATCC 6303 + erythromycin-susceptible) |
- |
- |
0.12 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
319 |
| Streptococcus pneumonia (ATCC 6303 + erythromycin-susceptible) |
- |
- |
0.12 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
319 |
| Streptococcus pneumonia (ATCC 6303 + quinolone-susceptible) |
- |
- |
≤0.06 － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
437 |
| Streptococcus pneumonia (ATCC 6303 + quinolone-susceptible) |
- |
- |
>0.06 － ? |
Minocycline (Minocycline hydrochloride, Minocin) |
437 |
| Streptococcus pneumonia (ATCC 6303 + quinolone-susceptible) |
- |
- |
≤0.06 － ? |
Rifampicin (Rifampin) |
437 |
| Streptococcus pneumonia (ATCC 6303 + quinolone-susceptible) |
- |
- |
≤0.06 － ? |
Thiostrepton |
437 |
| Streptococcus pneumonia (ATCC 6303 + quinolone-susceptible) |
- |
- |
0.125 － ? |
Lincomycin (Lincocin) |
437 |
| Streptococcus pneumonia (ATCC 6303 + quinolone-susceptible) |
- |
- |
0.125 － ? |
Lincomycin (Lincocin) |
184 |