| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Haemophilus influenzae |
0.125 |
0.25 |
0.063 － 0.25 |
Ceftazidime (Ceptaz, Fortaz, Tanicef)  |
952 |
| Haemophilus influenzae |
0.125 |
0.5 |
0.016 － 1 |
Meropenem (Merrem) |
109 |
| Haemophilus influenzae |
0.125 |
0.5 |
0.032 － 1 |
S-4661 |
952 |
| Haemophilus influenzae |
0.25 |
0.25 |
0.06 － 0.25 |
Cefetamet |
1494 |
| Haemophilus influenzae |
≤0.25 |
≤0.25 |
≤0.25 － 0.5 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
371 |
| Haemophilus influenzae |
≤0.25 |
≤0.25 |
≤0.25 － 0.5 |
Zosyn |
371 |
| Haemophilus influenzae |
≤0.25 |
≤0.25 |
≤0.25 － 2 |
Cefepime (Maxipime) |
371 |
| Haemophilus influenzae |
≤0.25 |
≤0.25 |
≤0.25 － 2 |
Ceftriaxone (Rocephin) |
371 |
| Haemophilus influenzae |
≤0.25 |
≤0.25 |
≤0.25 － 2 |
Ceftriaxone (Rocephin) |
412 |
| Haemophilus influenzae |
≤0.25 |
≤0.25 |
≤0.25 － 2 |
Levofloxacin (Levaquin, Quixin) |
371 |
| Haemophilus influenzae |
0.25 |
0.25 |
? － ? |
Rifampicin (Rifampin) |
1082 |
| Haemophilus influenzae |
0.25 |
1 |
0.001 － 2 |
Cethromycin (ABT-773) |
1111 |
| Haemophilus influenzae |
0.25 |
1 |
0.016 － 64 |
Amoxicillin-clavulanic acid (Augmentin) |
1544 |
| Haemophilus influenzae |
0.25 |
1 |
0.03 － 1 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
1111 |
| Haemophilus influenzae |
0.25 |
1 |
≤0.06 － 4 |
Ampicillin (Omnipen) |
1111 |
| Haemophilus influenzae |
0.25 |
2 |
0.006 － 2 |
Levofloxacin (Levaquin, Quixin) |
1544 |
| Haemophilus influenzae |
0.25 |
2 |
0.06 － 8 |
BB-3497 |
83 |
| Haemophilus influenzae |
0.25 |
8 |
<0.25 － >8 |
Co-trimoxazole (Trimethoprim-sulfamethoxazole, TMP-SMX) |
85 |
| Haemophilus influenzae |
0.25 |
8 |
≤0.25 － >8 |
Co-trimoxazole (Trimethoprim-sulfamethoxazole, TMP-SMX) |
500 |
| Haemophilus influenzae |
0.39 |
1.56 |
0.05 － 3.13 |
Cefdinir (Omnicef, Cefdiel) |
40 |
| Haemophilus influenzae |
0.39 |
3.13 |
0.05 － 12.5 |
Faropenem |
40 |
| Haemophilus influenzae |
<0.5 |
<0.5 |
<0.5 － 1 |
Levofloxacin (Levaquin, Quixin) |
85 |
| Haemophilus influenzae |
≤0.5 |
≤0.5 |
≤0.5 － 2 |
Levofloxacin (Levaquin, Quixin) |
412 |
| Haemophilus influenzae |
≤0.5 |
≤0.5 |
≤0.5 － 8 |
Cefepime (Maxipime) |
42 |
| Haemophilus influenzae |
0.5 |
1 |
≤0.06 － >16 |
Imipenem |
42 |
| Haemophilus influenzae |
0.5 |
1 |
0.12 － 16 |
Amoxicillin-clavulanate |
83 |
| Haemophilus influenzae |
0.5 |
1 |
0.125 － 1 |
Imipenem |
600 |
| Haemophilus influenzae |
0.5 |
1 |
0.125 － 4 |
Faropenem |
56 |