| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Bacteroides fragilis |
>32 |
>128 |
16 － >128 |
Cephalexin (Keflex, Keftal, Cefanox)  |
274 |
| Bacteroides fragilis |
32 |
128 |
? － ? |
BMY28142 |
1385 |
| Bacteroides fragilis |
32 |
>256 |
2 － >256 |
Ceftriaxone (Rocephin) |
1479 |
| Bacteroides fragilis |
32 |
- |
? － ? |
Cefaclor (Ceclor, Ceclor CD) |
308 |
| Bacteroides fragilis |
32 |
- |
? － ? |
Cephalexin (Keflex, Keftal, Cefanox) |
308 |
| Bacteroides fragilis |
>64 |
>64 |
64 － >64 |
Ceftibuten (Cedax) |
1492 |
| Bacteroides fragilis |
64 |
>64 |
? － ? |
Cefamandole (Mandol) |
1389 |
| Bacteroides fragilis |
64 |
>128 |
<=0.125 － >128 |
Ceftriaxone (Rocephin) |
1474 |
| Bacteroides fragilis |
64 |
>128 |
1 － >128 |
Ticarcillin (Ticar) |
1475 |
| Bacteroides fragilis |
64 |
>128 |
2 － >128 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
1475 |
| Bacteroides fragilis |
64 |
>128 |
8 － >128 |
Ceftizoxime (Cefizox) |
1473 |
| Bacteroides fragilis |
64 |
128 |
8 － >256 |
Ceftizoxime (Cefizox) |
1470 |
| Bacteroides fragilis |
128 |
>128 |
4 － >128 |
Cefoperazone (Cefobid) |
1475 |
| Bacteroides fragilis |
>128 |
>128 |
32 － >128 |
Ampicillin (Omnipen) |
1475 |
| Bacteroides fragilis |
128 |
>128 |
32 － >128 |
Cefoperazone (Cefobid) |
1473 |
| Bacteroides fragilis |
>128 |
>128 |
64 － >128 |
Cefaclor (Ceclor, Ceclor CD) |
274 |
| Bacteroides fragilis |
128 |
>128 |
64 － >128 |
Cefamandole (Mandol) |
1473 |
| Bacteroides fragilis |
>128 |
>128 |
64 － >128 |
Cefotiam |
1473 |
| Bacteroides fragilis |
>128 |
>128 |
64 － >128 |
Fidaxomicin |
1564 |
| Bacteroides fragilis |
>128 |
>128 |
64 － >128 |
OPT-80 |
241 |
| Bacteroides fragilis |
256 |
- |
2 － >256 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
1478 |
| Bacteroides fragilis |
- |
0.5 |
? － ? |
Trovafloxacin (Trovan) |
341 |
| Bacteroides fragilis |
- |
1 |
? － ? |
Clinafloxacin (PD 127391) |
341 |
| Bacteroides fragilis |
- |
1 |
? － ? |
Gatifloxacin (Tequin) |
341 |
| Bacteroides fragilis |
- |
1 |
? － ? |
Moxifloxacin (BAY 12-8039, Avelox) |
341 |
| Bacteroides fragilis |
- |
2 |
? － ? |
Levofloxacin (Levaquin, Quixin) |
341 |
| Bacteroides fragilis |
- |
4 |
? － ? |
Sparfloxacin (AT-4140, Zagam) |
341 |
| Bacteroides fragilis |
- |
4 |
? － ? |
Vancomycin (Vancocyn, Lyphocin) |
240 |