| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Haemophilus influenzae |
1 |
2 |
≤0.06 － >16 |
Azithromycin (Zithromax, Sumamed, Zitrocin)  |
412 |
| Haemophilus influenzae |
1 |
2 |
≤0.06 － >16 |
Cefuroxime (Kefurox, Zinacef) |
412 |
| Haemophilus influenzae |
1 |
2 |
0.25 － 4 |
Clarithromycin (Biaxin) |
1111 |
| Haemophilus influenzae |
1 |
2 |
0.25 － 4 |
HMR 3787 |
1113 |
| Haemophilus influenzae |
1 |
2 |
0.25 － 16 |
Amoxicillin-clavulanate |
274 |
| Haemophilus influenzae |
1 |
2 |
0.25 － 32 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
499 |
| Haemophilus influenzae |
1 |
2 |
0.25 － 32 |
Cefuroxime (Kefurox, Zinacef) |
274 |
| Haemophilus influenzae |
1 |
2 |
1 － 2 |
Nalidixic acid (NegGam) |
244 |
| Haemophilus influenzae |
1 |
2 |
1 － 4 |
Cefaclor (Ceclor, Ceclor CD) |
1494 |
| Haemophilus influenzae |
1 |
2 |
? － ? |
Amoxicillin-clavulanic acid (Augmentin) |
403 |
| Haemophilus influenzae |
1 |
4 |
0.002 － >16 |
Cethromycin (ABT-773) |
1113 |
| Haemophilus influenzae |
1 |
4 |
0.002 － >16 |
Cethromycin (ABT-773) |
954 |
| Haemophilus influenzae |
1 |
4 |
0.06 － >16 |
BB-84518 |
83 |
| Haemophilus influenzae |
1 |
4 |
0.25 － 16 |
Biapenem |
952 |
| Haemophilus influenzae |
1 |
4 |
0.25 － 16 |
Imipenem |
952 |
| Haemophilus influenzae |
1 |
4 |
0.25 － 16 |
Imipenem |
56 |
| Haemophilus influenzae |
1 |
4 |
0.5 － 4 |
Cethromycin (ABT-773) |
15 |
| Haemophilus influenzae |
1 |
4 |
0.5 － 4 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
1111 |
| Haemophilus influenzae |
1 |
4 |
0.5 － 8 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
1113 |
| Haemophilus influenzae |
1 |
8 |
0.064 － >32 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
1544 |
| Haemophilus influenzae |
1 |
>32 |
0.004 － 32 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
1544 |
| Haemophilus influenzae |
>1 |
>32 |
0.12 － >32 |
Ampicillin (Omnipen) |
125 |
| Haemophilus influenzae |
2 |
2 |
0.015 － >128 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
1113 |
| Haemophilus influenzae |
2 |
2 |
0.12 － 4 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
125 |
| Haemophilus influenzae |
2 |
2 |
≤0.12 － >16 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
500 |
| Haemophilus influenzae |
2 |
2 |
0.5 － 8 |
Cefoxitin (Mefoxin) |
1438 |
| Haemophilus influenzae |
2 |
2 |
1 － 4 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
120 |
| Haemophilus influenzae |
≤2 |
≤2 |
≤2 － >8 |
Amoxicillin-clavulanate |
412 |