| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Haemophilus influenzae |
0.5 |
1 |
0.25 － 2 |
Cefdinir (Omnicef, Cefdiel)  |
600 |
| Haemophilus influenzae |
0.5 |
1 |
≤0.25 － >4 |
Amoxicillin-clavulanate |
499 |
| Haemophilus influenzae |
0.5 |
1 |
≤0.25 － >16 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
499 |
| Haemophilus influenzae |
0.5 |
1 |
0.5 － 1 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
248 |
| Haemophilus influenzae |
0.5 |
1 |
0.5 － 1 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
248 |
| Haemophilus influenzae |
0.5 |
1 |
≤0.5 － 2 |
Ampicillin/sulbactam (Unasyn) |
371 |
| Haemophilus influenzae |
0.5 |
2 |
0.03 － 2 |
Imipenem |
248 |
| Haemophilus influenzae |
0.5 |
2 |
>0.06 － >8 |
Amoxicillin-clavulanate |
85 |
| Haemophilus influenzae |
0.5 |
2 |
≤0.06 － 16 |
Amoxicillin-clavulanate |
500 |
| Haemophilus influenzae |
0.5 |
2 |
≤0.06 － 16 |
Cefuroxime (Kefurox, Zinacef) |
500 |
| Haemophilus influenzae |
0.5 |
2 |
0.12 － 2 |
Minocycline (Minocycline hydrochloride, Minocin) |
462 |
| Haemophilus influenzae |
0.5 |
2 |
≤0.12 － 4 |
Amoxicillin-clavulanate |
42 |
| Haemophilus influenzae |
0.5 |
2 |
0.25 － 2 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
15 |
| Haemophilus influenzae |
0.5 |
2 |
0.25 － 2 |
Retapamulin |
120 |
| Haemophilus influenzae |
0.5 |
2 |
0.25 － 4 |
Cefdinir (Omnicef, Cefdiel) |
56 |
| Haemophilus influenzae |
0.5 |
4 |
<0.06 － >8 |
Cefuroxime (Kefurox, Zinacef) |
85 |
| Haemophilus influenzae |
>0.5 |
>4 |
≤0.25 － >4 |
Ampicillin (Omnipen) |
499 |
| Haemophilus influenzae |
0.5 |
4 |
≤0.25 － 4 |
Cefuroxime (Kefurox, Zinacef) |
371 |
| Haemophilus influenzae |
>0.5 |
>4 |
≤0.5 － >4 |
Ampicillin (Omnipen) |
412 |
| Haemophilus influenzae |
>0.5 |
>4 |
≤0.5 － >4 |
Co-trimoxazole (Trimethoprim-sulfamethoxazole, TMP-SMX) |
412 |
| Haemophilus influenzae |
0.5 |
8 |
0.25 － 16 |
Chloramphenicol (Chloromycetin) |
769 |
| Haemophilus influenzae |
>0.5 |
>32 |
≤0.5 － >32 |
Ampicillin (Omnipen) |
42 |
| Haemophilus influenzae |
0.5 |
128 |
0.125 － 128 |
Ampicillin (Omnipen) |
248 |
| Haemophilus influenzae |
0.78 |
3.13 |
0.025 － 12.5 |
Imipenem |
40 |
| Haemophilus influenzae |
≤1 |
≤1 |
≤1 － >2 |
Rifampicin (Rifampin) |
500 |
| Haemophilus influenzae |
1 |
2 |
0.002 － 16 |
Telithromycin (HMR 3647, RU-66647, Ketek) |
950 |
| Haemophilus influenzae |
1 |
2 |
0.03 － 8 |
HMR 3004 (RU 64004) |
125 |
| Haemophilus influenzae |
1 |
2 |
0.03 － 8 |
HMR 3004 (RU 64004) |
125 |