| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Proteus rettgeri |
- |
- |
50 － >100 |
Cefamandole (Mandol)  |
1414 |
| Proteus rettgeri |
- |
- |
53 － ? |
Cephaloridine (Cefaloridine) |
1447 |
| Proteus rettgeri |
- |
- |
56.4 － ? |
Cephalothin (Cefalotin, Keflin, Seffin) |
1447 |
| Proteus rettgeri |
- |
- |
60.1 － ? |
Cephalexin (Keflex, Keftal, Cefanox) |
1447 |
| Proteus rettgeri |
- |
- |
2500 － ? |
Sulphamethoxazole |
27 |
| Proteus rettgeri |
- |
- |
2500 － ? |
Trimethoprim (Proloprim, Trimpex) |
27 |
| Proteus rettgeri (47568-1) |
- |
- |
0.008 － ? |
Cefmenoxime |
1438 |
| Proteus rettgeri (47568-1) |
- |
- |
4 － ? |
Gentamicin (Gentamycin, Garamycin) |
1438 |
| Proteus rettgeri (IFO 3850) |
- |
- |
0.1 － ? |
AM-715 |
1439 |
| Proteus rettgeri (IFO 3850) |
- |
- |
0.78 － ? |
Miloxacin |
1439 |
| Proteus rettgeri (IFO 3850) |
- |
- |
1.56 － ? |
Nalidixic acid (NegGam) |
1439 |
| Proteus rettgeri (IFO 3850) |
- |
- |
1.56 － ? |
Pipemidic acid |
1439 |
| Proteus rettgeri (indole-positive) |
0.015 |
0.06 |
0.008 － 0.125 |
Difluoroquinolone (PD 117596) |
248 |
| Proteus rettgeri (indole-positive) |
0.015 |
0.125 |
0.008 － 0.125 |
PD 124816 |
248 |
| Proteus rettgeri (indole-positive) |
0.015 |
0.13 |
0.008 － 0.125 |
Clinafloxacin (PD 127391) |
248 |
| Proteus rettgeri (indole-positive) |
0.03 |
0.125 |
≤0.03 － 0.25 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
248 |
| Proteus rettgeri (indole-positive) |
0.03 |
0.25 |
0.004 － 1 |
Aztreonam (Azactam) |
248 |
| Proteus rettgeri (indole-positive) |
0.25 |
2 |
0.03 － 128 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
248 |
| Proteus rettgeri (indole-positive) |
4 |
16 |
0.5 － 32 |
Amikacin (Amikin) |
248 |
| Proteus rettgeri (indole-positive) |
>128 |
>128 |
4 － >128 |
Ampicillin (Omnipen) |
248 |