| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Escherichia coli |
>16 |
>512 |
1 － >512 |
Ampicillin (Omnipen)  |
436 |
| Escherichia coli |
16 |
512 |
1 － >512 |
Chloramphenicol (Chloromycetin) |
436 |
| Escherichia coli |
16 |
2048 |
1 － 2048 |
Cephalothin (Cefalotin, Keflin, Seffin) |
946 |
| Escherichia coli |
16 |
- |
? － ? |
Rifampicin (Rifampin) |
1082 |
| Escherichia coli |
>32 |
>32 |
≤0.5 － >32 |
Ampicillin (Omnipen) |
42 |
| Escherichia coli |
>32 |
>32 |
1 － >32 |
Ampicillin (Omnipen) |
186 |
| Escherichia coli |
>32 |
>32 |
1 － >32 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
1371 |
| Escherichia coli |
>32 |
>32 |
4 － >32 |
Piperacillin-Tazobactam (8:1) |
1371 |
| Escherichia coli |
>32 |
>32 |
16 － >32 |
Amoxicillin-clavulanic acid (2:1) |
1371 |
| Escherichia coli |
>32 |
>32 |
>32 － >32 |
Ampicillin (Omnipen) |
444 |
| Escherichia coli |
>32 |
>32 |
32 － >32 |
Chlortetracycline |
760 |
| Escherichia coli |
>32 |
>32 |
32 － >32 |
Ticarcillin-Clavulanic acid (15:1) |
1371 |
| Escherichia coli |
≤32 |
≤32 |
≤32 － >64 |
Nitrofurantoin (Macrobid, Macrodantin, Furantoin) |
1250 |
| Escherichia coli |
>32 |
>128 |
4 － >128 |
RWJ-54428 |
1111 |
| Escherichia coli |
>32 |
>512 |
0.5 － >512 |
Spectinomycin (Trobicin) |
436 |
| Escherichia coli |
32 |
- |
? － ? |
Rifalazil (ABI-1648, KRM-1648) |
1082 |
| Escherichia coli |
>64 |
>64 |
0.06 － >64 |
Ceftriaxone (Rocephin) |
444 |
| Escherichia coli |
>=64 |
≥64 |
≤0.5 － >=64 |
Ampicillin (Omnipen) |
475 |
| Escherichia coli |
>64 |
>128 |
≤0.25 － >128 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
1111 |
| Escherichia coli |
64 |
256 |
0.125 － >512 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
436 |
| Escherichia coli |
64 |
- |
? － ? |
Mixed β-peptide |
272 |
| Escherichia coli |
100 |
100 |
? － ? |
Amlodipine |
1109 |
| Escherichia coli |
100 |
200 |
? － ? |
Dobutamine |
1109 |
| Escherichia coli |
100 |
200 |
? － ? |
Lacidipine (Lacipil; Motens) |
1109 |
| Escherichia coli |
100 |
200 |
? － ? |
Nifedipine |
1109 |
| Escherichia coli |
100 |
200 |
? － ? |
Oxyfedrine |
1109 |
| Escherichia coli |
>128 |
>128 |
32 － >128 |
Clarithromycin (Biaxin) |
15 |
| Escherichia coli |
>128 |
>128 |
32 － >128 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
15 |