| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Enterococcus faecalis |
>2 |
>16 |
0.5 － >16 |
Linezolid (PNU-100766, U-100766, Zyvox)  |
1279 |
| Enterococcus faecalis |
2 |
32 |
≤0.25 － >64 |
Levofloxacin (Levaquin, Quixin) |
371 |
| Enterococcus faecalis |
2 |
32 |
0.5 － >32 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
16 |
| Enterococcus faecalis |
2 |
64 |
1 － >128 |
Levofloxacin (Levaquin, Quixin) |
109 |
| Enterococcus faecalis |
2 |
64 |
2 － >128 |
Ofloxacin (Floxin) |
600 |
| Enterococcus faecalis |
2 |
>256 |
0.016 － >256 |
Clindamycin (Cleocin) |
1544 |
| Enterococcus faecalis |
>4 |
>4 |
0.06 － >4 |
Levofloxacin (Levaquin, Quixin) |
472 |
| Enterococcus faecalis |
>4 |
>4 |
0.25 － >4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1130 |
| Enterococcus faecalis |
>4 |
>4 |
0.25 － >4 |
Trovafloxacin (Trovan) |
123 |
| Enterococcus faecalis |
>4 |
>4 |
0.5 － >4 |
Gatifloxacin (Tequin) |
123 |
| Enterococcus faecalis |
>4 |
>4 |
1 － >4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
462 |
| Enterococcus faecalis |
4 |
4 |
2 － 4 |
Piperacillin (Pipracil) |
89 |
| Enterococcus faecalis |
4 |
4 |
2 － 4 |
Vancomycin (Vancocyn, Lyphocin) |
374 |
| Enterococcus faecalis |
4 |
4 |
2 － 8 |
Zosyn |
102 |
| Enterococcus faecalis |
4 |
4 |
2 － 64 |
Cefpirome |
1491 |
| Enterococcus faecalis |
>4 |
>4 |
>4 － ? |
Cefixime (Suprax) |
267 |
| Enterococcus faecalis |
4 |
8 |
0.125 － 8 |
Quinupristin/Dalfopristin (Synercid) |
497 |
| Enterococcus faecalis |
4 |
8 |
1 － 32 |
Biapenem |
952 |
| Enterococcus faecalis |
4 |
8 |
1 － 64 |
Meropenem (Merrem) |
952 |
| Enterococcus faecalis |
>4 |
>8 |
<4 － >8 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
6 |
| Enterococcus faecalis |
4 |
8 |
4 － 16 |
Daptomycin (Cubicin) |
16 |
| Enterococcus faecalis |
4 |
8 |
? － ? |
Meropenem (Merrem) |
171 |
| Enterococcus faecalis |
>4 |
>16 |
<0.12 － >16 |
Ampicillin (Omnipen) |
6 |
| Enterococcus faecalis |
>4 |
>16 |
≤0.12 － >16 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
18 |
| Enterococcus faecalis |
4 |
16 |
0.12 － >32 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
371 |
| Enterococcus faecalis |
4 |
16 |
0.25 － 16 |
Quinupristin/Dalfopristin (Synercid) |
7 |
| Enterococcus faecalis |
4 |
16 |
0.5 － >128 |
Zosyn |
371 |
| Enterococcus faecalis |
4 |
64 |
0.5 － 64 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
268 |