| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Clostridium difficile |
32 |
64 |
1 － 128 |
Garenoxacin (T-3811, BMS-284756)  |
268 |
| Clostridium difficile |
32 |
64 |
8 － >128 |
Cefmetazole |
1477 |
| Clostridium difficile |
32 |
64 |
16 － 128 |
Ceftriaxone (Rocephin) |
1479 |
| Clostridium difficile |
32 |
64 |
? － ? |
Cefoperazone (Cefobid) |
1385 |
| Clostridium difficile |
32 |
128 |
16 － 128 |
Cefoperazone (Cefobid) |
1470 |
| Clostridium difficile |
32 |
256 |
? － ? |
Cefbuperazon |
1385 |
| Clostridium difficile |
32 |
- |
? － ? |
Cefaclor (Ceclor, Ceclor CD) |
308 |
| Clostridium difficile |
32 |
- |
? － ? |
Cephalexin (Keflex, Keftal, Cefanox) |
308 |
| Clostridium difficile |
>64 |
>64 |
8 － >64 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
268 |
| Clostridium difficile |
64 |
>64 |
32 － >64 |
Cefaclor (Ceclor, Ceclor CD) |
1492 |
| Clostridium difficile |
64 |
64 |
32 － 64 |
Cefoperazone (Cefobid) |
1473 |
| Clostridium difficile |
64 |
64 |
32 － 128 |
Ceftriaxone (Rocephin) |
1474 |
| Clostridium difficile |
>64 |
>64 |
64 － >64 |
Cefpodoxime |
1492 |
| Clostridium difficile |
64 |
>64 |
64 － >64 |
Cefprozil (Cefzil) |
1492 |
| Clostridium difficile |
>64 |
>64 |
64 － >64 |
Cefuroxime (Kefurox, Zinacef) |
1492 |
| Clostridium difficile |
>64 |
>64 |
>64 － ? |
Cefixime (Suprax) |
1492 |
| Clostridium difficile |
>64 |
>64 |
>64 － ? |
Ceftibuten (Cedax) |
1492 |
| Clostridium difficile |
64 |
64 |
? － ? |
Cefoxitin (Mefoxin) |
381 |
| Clostridium difficile |
64 |
128 |
4 － 128 |
Cefoxitin (Mefoxin) |
1479 |
| Clostridium difficile |
64 |
>128 |
8 － >128 |
Ceftriaxone (Rocephin) |
1477 |
| Clostridium difficile |
64 |
128 |
32 － 128 |
Cefamandole (Mandol) |
1473 |
| Clostridium difficile |
64 |
128 |
32 － 128 |
Moxalactam (Latamoxef) |
1470 |
| Clostridium difficile |
64 |
128 |
32 － 256 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
1470 |
| Clostridium difficile |
64 |
128 |
64 － 128 |
Moxalactam (Latamoxef) |
1473 |
| Clostridium difficile |
>128 |
>128 |
4 － >128 |
Levofloxacin (Levaquin, Quixin) |
268 |
| Clostridium difficile |
128 |
128 |
64 － 128 |
Cefoxitin (Mefoxin) |
1473 |
| Clostridium difficile |
128 |
128 |
64 － 128 |
Cefoxitin (Mefoxin) |
1470 |
| Clostridium difficile |
>128 |
>128 |
>128 － ? |
Cefotiam |
1473 |