| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Enterococcus spp. |
>2 |
>16 |
0.25 － >16 |
Ampicillin (Omnipen)  |
1250 |
| Enterococcus spp. |
>2 |
>16 |
0.5 － >16 |
Ampicillin (Omnipen) |
123 |
| Enterococcus spp. |
>2 |
>16 |
≤2 － >16 |
Amoxicillin-clavulanate |
1250 |
| Enterococcus spp. |
>2 |
>32 |
? － ? |
Imipenem |
126 |
| Enterococcus spp. |
>2 |
>256 |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
126 |
| Enterococcus spp. |
>4 |
>4 |
0.06 － >4 |
Levofloxacin (Levaquin, Quixin) |
472 |
| Enterococcus spp. |
>4 |
>4 |
0.5 － >4 |
Gatifloxacin (Tequin) |
123 |
| Enterococcus spp. |
>4 |
>4 |
0.5 － >4 |
Trovafloxacin (Trovan) |
123 |
| Enterococcus spp. |
4 |
4 |
1 － 8 |
Ibafloxacin |
930 |
| Enterococcus spp. |
>4 |
>4 |
>4 － ? |
Cefixime (Suprax) |
267 |
| Enterococcus spp. |
>4 |
>8 |
0.12 － >8 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
496 |
| Enterococcus spp. |
4 |
8 |
≤0.25 － 16 |
Pexiganan |
112 |
| Enterococcus spp. |
>4 |
>8 |
1 － >8 |
Imipenem |
123 |
| Enterococcus spp. |
>4 |
>16 |
0.03 － >16 |
Imipenem |
493 |
| Enterococcus spp. |
>4 |
>16 |
1 － >16 |
Cefdinir (Omnicef, Cefdiel) |
267 |
| Enterococcus spp. |
>4 |
>32 |
2 － >32 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
123 |
| Enterococcus spp. |
>4 |
>32 |
? － ? |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
126 |
| Enterococcus spp. |
>8 |
>8 |
0.12 － >8 |
Clindamycin (Cleocin) |
123 |
| Enterococcus spp. |
>8 |
>8 |
0.25 － >8 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
496 |
| Enterococcus spp. |
>8 |
>8 |
0.5 － >8 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
123 |
| Enterococcus spp. |
>8 |
>8 |
2 － >8 |
Oxacillin (Prostaphilin, Bactocil, Prostaphlin) |
123 |
| Enterococcus spp. |
>8 |
>8 |
≤2 － >8 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
472 |
| Enterococcus spp. |
>8 |
>8 |
≤4 － >8 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
123 |
| Enterococcus spp. |
>8 |
>16 |
0.5 － >16 |
Ertapenem (Invanz) |
493 |
| Enterococcus spp. |
8 |
16 |
4 － >16 |
Chloramphenicol (Chloromycetin) |
123 |
| Enterococcus spp. |
>16 |
>16 |
8 － >16 |
Clindamycin (Cleocin) |
496 |
| Enterococcus spp. |
>16 |
>16 |
>16 － ? |
Cefepime (Maxipime) |
123 |
| Enterococcus spp. |
>16 |
>16 |
? － ? |
Cefditoren (Spectracef) |
293 |