| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Haemophilus spp. |
0.032 |
0.064 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay)  |
403 |
| Haemophilus spp. |
0.032 |
0.125 |
? － ? |
Sparfloxacin (AT-4140, Zagam) |
403 |
| Haemophilus spp. |
0.75 |
2 |
? － ? |
Amoxicillin-clavulanic acid (Augmentin) |
403 |
| Haemophilus spp. |
4 |
16 |
? － ? |
Cefprozil (Cefzil) |
403 |
| Haemophilus spp. |
4 |
- |
≤0.25 － 8 |
Pexiganan |
112 |
| Haemophilus spp. |
8 |
24 |
? － ? |
Clarithromycin (Biaxin) |
403 |
| Haemophilus spp. |
- |
0.064 |
? － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
66 |
| Haemophilus spp. |
- |
0.064 |
? － ? |
Gatifloxacin (Tequin) |
66 |
| Haemophilus spp. |
- |
0.125 |
? － ? |
Ofloxacin (Floxin) |
66 |
| Haemophilus spp. |
- |
0.19 |
? － ? |
Moxifloxacin (BAY 12-8039, Avelox) |
66 |
| Haemophilus spp. |
- |
0.32 |
? － ? |
Levofloxacin (Levaquin, Quixin) |
66 |
| Haemophilus spp. |
- |
- |
0.001 － 0.06 |
Ceftriaxone (Rocephin) |
401 |
| Haemophilus spp. |
- |
- |
0.002 － 0.06 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
401 |
| Haemophilus spp. |
- |
- |
0.002 － 0.06 |
Grepafloxacin (Raxar) |
401 |
| Haemophilus spp. |
- |
- |
0.004 － 0.03 |
Sparfloxacin (AT-4140, Zagam) |
401 |
| Haemophilus spp. |
- |
- |
0.004 － 5 |
Cefotaxime (Cephotaxime, Claforan) |
401 |
| Haemophilus spp. |
- |
- |
0.004 － 128 |
Piperacillin (Pipracil) |
401 |
| Haemophilus spp. |
- |
- |
0.007 － 1 |
Linezolid (PNU-100766, U-100766, Zyvox) |
401 |
| Haemophilus spp. |
- |
- |
0.008 － 0.12 |
Cefixime (Suprax) |
401 |
| Haemophilus spp. |
- |
- |
0.008 － 0.25 |
Ceftizoxime (Cefizox) |
401 |
| Haemophilus spp. |
- |
- |
0.008 － 0.5 |
Cefpirome |
401 |
| Haemophilus spp. |
- |
- |
0.015 － 0.25 |
Meropenem (Merrem) |
401 |
| Haemophilus spp. |
- |
- |
0.015 － 0.5 |
Ceftazidime (Ceptaz, Fortaz, Tanicef) |
401 |
| Haemophilus spp. |
- |
- |
0.015 － 2 |
Aztreonam (Azactam) |
401 |
| Haemophilus spp. |
- |
- |
0.015 － 2 |
Nalidixic acid (NegGam) |
401 |
| Haemophilus spp. |
- |
- |
0.015 － 2 |
Ofloxacin (Floxin) |
401 |
| Haemophilus spp. |
- |
- |
0.03 － 2 |
Azlocillin |
401 |
| Haemophilus spp. |
- |
- |
0.03 － 128 |
Amoxicillin-clavulanic acid (2:1) |
401 |