| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Citrobacter koseri |
8 |
>8 |
2 － >8 |
Azithromycin (Zithromax, Sumamed, Zitrocin)  |
1467 |
| Citrobacter koseri |
>8 |
>8 |
8 － >8 |
Ampicillin (Omnipen) |
462 |
| Citrobacter koseri |
8 |
16 |
2 － 128 |
Ampicillin/sulbactam (Unasyn) |
371 |
| Citrobacter koseri |
8 |
32 |
≤0.25 － 64 |
Zosyn |
371 |
| Citrobacter koseri |
>16 |
>32 |
2 － >32 |
Amoxicillin-clavulanate |
493 |
| Citrobacter koseri |
32 |
64 |
4 － 64 |
Amoxicillin-clavulanate |
497 |
| Citrobacter koseri |
>32 |
>256 |
2 － >256 |
Ampicillin (Omnipen) |
497 |
| Citrobacter koseri |
≤- |
≤0.06 |
? － ? |
Meropenem (Merrem) |
171 |
| Citrobacter koseri |
- |
0.12 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
171 |
| Citrobacter koseri |
- |
0.25 |
? － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
171 |
| Citrobacter koseri |
- |
0.25 |
? － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
171 |
| Citrobacter koseri |
- |
0.5 |
? － ? |
Gentamicin (Gentamycin, Garamycin) |
171 |
| Citrobacter koseri |
- |
1 |
? － ? |
Imipenem |
284 |
| Citrobacter koseri |
- |
4 |
? － ? |
Zosyn |
171 |
| Citrobacter koseri (ATCC 27028) |
- |
- |
25 － ? |
Ampicillin (Omnipen) |
1590 |
| Citrobacter koseri (Europe) |
- |
0.13 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
284 |
| Citrobacter koseri (Europe) |
- |
0.13 |
? － ? |
Meropenem (Merrem) |
284 |
| Citrobacter koseri (Europe) |
- |
0.5 |
? － ? |
Cefotaxime (Cephotaxime, Claforan) |
284 |
| Citrobacter koseri (Europe) |
- |
2 |
? － ? |
Imipenem |
284 |
| Citrobacter koseri (Europe) |
- |
2 |
? － ? |
Zosyn |
284 |
| Citrobacter koseri (Europe) |
- |
8 |
? － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
284 |
| Citrobacter koseri (Europe) |
>- |
>128 |
? － ? |
Piperacillin (Pipracil) |
284 |
| Citrobacter koseri (North America) |
<- |
<0.06 |
? － ? |
Meropenem (Merrem) |
284 |
| Citrobacter koseri (North America) |
- |
0.25 |
? － ? |
Cefotaxime (Cephotaxime, Claforan) |
284 |
| Citrobacter koseri (North America) |
- |
0.25 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
284 |
| Citrobacter koseri (North America) |
- |
0.5 |
? － ? |
Imipenem |
284 |
| Citrobacter koseri (North America) |
- |
2 |
? － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
284 |
| Citrobacter koseri (North America) |
- |
8 |
? － ? |
Zosyn |
284 |