| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Citrobacter freundii |
4 |
16 |
4 － >32 |
Nalidixic acid (NegGam)  |
244 |
| Citrobacter freundii |
>4 |
>32 |
1 － >32 |
Cefuroxime (Kefurox, Zinacef) |
267 |
| Citrobacter freundii |
4 |
64 |
4 － >64 |
Cefuroxime (Kefurox, Zinacef) |
1492 |
| Citrobacter freundii |
4 |
- |
2 － 8 |
Pexiganan |
112 |
| Citrobacter freundii |
4 |
- |
? － ? |
Zosyn |
323 |
| Citrobacter freundii |
>6 |
>256 |
? － ? |
Piperacillin (Pipracil) |
323 |
| Citrobacter freundii |
>8 |
>8 |
4 － >8 |
Ampicillin (Omnipen) |
462 |
| Citrobacter freundii |
>8 |
>8 |
>8 － ? |
SCH27899 |
129 |
| Citrobacter freundii |
8 |
16 |
? － ? |
Pexiganan |
14 |
| Citrobacter freundii |
>8 |
>64 |
1 － >64 |
PD 0326448 |
225 |
| Citrobacter freundii |
>8 |
>128 |
0.5 － >128 |
Ceftriaxone (Rocephin) |
371 |
| Citrobacter freundii |
12.5 |
100 |
? － ? |
Cefoxitin (Mefoxin) |
1386 |
| Citrobacter freundii |
16 |
16 |
8 － >256 |
MSI-78 (Peptide) |
65 |
| Citrobacter freundii |
>16 |
>32 |
2 － >32 |
Amoxicillin-clavulanate |
493 |
| Citrobacter freundii |
16 |
- |
? － ? |
Amoxicillin-clavulanate |
308 |
| Citrobacter freundii |
>32 |
>32 |
0.5 － >32 |
Cefaclor (Ceclor, Ceclor CD) |
267 |
| Citrobacter freundii |
>32 |
>32 |
>32 － ? |
Amoxicillin-clavulanic acid (2:1) |
1371 |
| Citrobacter freundii |
>32 |
>32 |
>32 － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
1371 |
| Citrobacter freundii |
>32 |
>32 |
>32 － ? |
Piperacillin-Tazobactam (8:1) |
1371 |
| Citrobacter freundii |
>32 |
>32 |
>32 － ? |
Ticarcillin-Clavulanic acid (15:1) |
1371 |
| Citrobacter freundii |
>32 |
>32 |
? － ? |
Cefaclor (Ceclor, Ceclor CD) |
308 |
| Citrobacter freundii |
>32 |
>32 |
? － ? |
Cefixime (Suprax) |
308 |
| Citrobacter freundii |
32 |
64 |
4 － 64 |
Amoxicillin-clavulanate |
497 |
| Citrobacter freundii |
32 |
>64 |
8 － >64 |
Cefaclor (Ceclor, Ceclor CD) |
1492 |
| Citrobacter freundii |
32 |
>64 |
? － ? |
Cefoxitin (Mefoxin) |
1389 |
| Citrobacter freundii |
32 |
>64 |
? － ? |
Cephalothin (Cefalotin, Keflin, Seffin) |
1389 |
| Citrobacter freundii |
32 |
128 |
0.25 － >256 |
Zosyn |
371 |
| Citrobacter freundii |
>32 |
>128 |
1 － >128 |
Cefuroxime (Kefurox, Zinacef) |
371 |