| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Peptostreptococcus |
0.015 |
2 |
≤0.015 － 4 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)  |
1396 |
| Peptostreptococcus |
0.25 |
0.25 |
0.12 － 8 |
Ampicillin/sulbactam (Unasyn) |
165 |
| Peptostreptococcus |
0.25 |
1 |
0.12 － 2 |
Metronidazole (Flagyl) |
165 |
| Peptostreptococcus |
0.5 |
8 |
0.12 － 32 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
165 |
| Peptostreptococcus |
0.5 |
16 |
0.12 － 16 |
Levofloxacin (Levaquin, Quixin) |
165 |
| Peptostreptococcus |
0.5 |
16 |
0.25 － 32 |
Ofloxacin (Floxin) |
165 |
| Peptostreptococcus |
1 |
1 |
1 － 8 |
Cefoxitin (Mefoxin) |
165 |
| Peptostreptococcus (penicillin-resistant) |
0.03 |
2 |
≤0.015 － 2 |
Clindamycin (Cleocin) |
1396 |
| Peptostreptococcus (penicillin-resistant) |
0.03 |
8 |
≤0.015 － 8 |
Cefazolin (Ancef, Kefzol, Zolicef) |
1396 |
| Peptostreptococcus (penicillin-resistant) |
0.06 |
4 |
≤0.015 － 4 |
Minocycline (Minocycline hydrochloride, Minocin) |
1396 |
| Peptostreptococcus (penicillin-resistant) |
0.06 |
8 |
≤0.015 － 8 |
Levofloxacin (Levaquin, Quixin) |
1396 |
| Peptostreptococcus (penicillin-resistant) |
0.25 |
16 |
≤0.015 － 16 |
Cefmetazole |
1396 |
| Peptostreptococcus (penicillin-resistant) |
0.5 |
64 |
≤0.015 － 64 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1396 |
| Peptostreptococcus (penicillin-susceptible) |
0.06 |
1 |
≤0.015 － 2 |
Cefazolin (Ancef, Kefzol, Zolicef) |
1396 |
| Peptostreptococcus (penicillin-susceptible) |
0.12 |
0.5 |
≤0.015 － 1 |
Clindamycin (Cleocin) |
1396 |
| Peptostreptococcus (penicillin-susceptible) |
0.12 |
1 |
≤0.015 － 4 |
Cefmetazole |
1396 |
| Peptostreptococcus (penicillin-susceptible) |
0.12 |
2 |
≤0.015 － 4 |
Minocycline (Minocycline hydrochloride, Minocin) |
1396 |
| Peptostreptococcus (penicillin-susceptible) |
0.5 |
1 |
≤0.015 － 8 |
Levofloxacin (Levaquin, Quixin) |
1396 |
| Peptostreptococcus (penicillin-susceptible) |
1 |
8 |
≤0.015 － 64 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1396 |