| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Citrobacter spp. |
0.008 |
0.25 |
≤0.008 － 4 |
Ertapenem (Invanz)  |
493 |
| Citrobacter spp. |
0.03 |
1 |
≤0.004 － 32 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
268 |
| Citrobacter spp. |
0.03 |
1 |
≤0.008 － >16 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
493 |
| Citrobacter spp. |
0.03 |
1 |
≤0.03 － >4 |
Gatifloxacin (Tequin) |
412 |
| Citrobacter spp. |
0.06 |
0.12 |
0.015 － 2 |
Cefmenoxime |
1438 |
| Citrobacter spp. |
0.06 |
2 |
? － ? |
Ceftobiprole (Zeftera) |
942 |
| Citrobacter spp. |
0.12 |
0.5 |
≤0.016 － >4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
412 |
| Citrobacter spp. |
0.12 |
0.5 |
≤0.12 － >16 |
Cefepime (Maxipime) |
412 |
| Citrobacter spp. |
<=0.12 |
1 |
? － ? |
Cefmenoxime |
1389 |
| Citrobacter spp. |
0.12 |
4 |
0.008 － 64 |
Levofloxacin (Levaquin, Quixin) |
268 |
| Citrobacter spp. |
>0.12 |
>16 |
≤0.12 － >16 |
Aztreonam (Azactam) |
412 |
| Citrobacter spp. |
0.25 |
1 |
≤0.5 － >8 |
Imipenem |
412 |
| Citrobacter spp. |
0.25 |
4 |
0.008 － 8 |
Gemifloxacin |
268 |
| Citrobacter spp. |
0.25 |
32 |
≤0.25 － >32 |
Ceftriaxone (Rocephin) |
412 |
| Citrobacter spp. |
0.25 |
128 |
? － ? |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
204 |
| Citrobacter spp. |
0.5 |
1 |
0.06 － 2 |
Imipenem |
493 |
| Citrobacter spp. |
0.5 |
8 |
0.015 － 8 |
DC-159a |
268 |
| Citrobacter spp. |
0.5 |
8 |
0.015 － 32 |
Moxifloxacin (BAY 12-8039, Avelox) |
268 |
| Citrobacter spp. |
0.5 |
16 |
0.015 － 32 |
Garenoxacin (T-3811, BMS-284756) |
268 |
| Citrobacter spp. |
1 |
2 |
≤0.25 － 32 |
Amikacin (Amikin) |
412 |
| Citrobacter spp. |
1 |
16 |
0.12 － 64 |
Cefamandole (Mandol) |
1438 |
| Citrobacter spp. |
>1 |
>16 |
? － ? |
Cefditoren (Spectracef) |
293 |
| Citrobacter spp. |
1 |
32 |
0.12 － >32 |
Tigemonam |
1494 |
| Citrobacter spp. |
1 |
>32 |
? － ? |
Cefamandole (Mandol) |
1389 |
| Citrobacter spp. |
≤2 |
≤2 |
≤2 － >16 |
Gentamicin (Gentamycin, Garamycin) |
412 |
| Citrobacter spp. |
>2 |
>16 |
≤2 － >16 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
412 |
| Citrobacter spp. |
2 |
32 |
≤0.5 － 128 |
Zosyn |
412 |
| Citrobacter spp. |
4 |
8 |
1 － 64 |
Cefoxitin (Mefoxin) |
1438 |