| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Neisseria meningitidis |
0.25 |
0.5 |
0.06 － 0.5 |
Quinupristin/Dalfopristin (Synercid)  |
446 |
| Neisseria meningitidis |
0.25 |
1 |
≤0.25 － 1 |
Co-trimoxazole (Trimethoprim-sulfamethoxazole, TMP-SMX) |
462 |
| Neisseria meningitidis |
0.25 |
2 |
≤0.03 － 2 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
462 |
| Neisseria meningitidis |
0.5 |
0.5 |
0.25 － 0.5 |
Cefazolin (Ancef, Kefzol, Zolicef) |
1438 |
| Neisseria meningitidis |
0.5 |
1 |
0.06 － 4 |
Roxithromycin |
86 |
| Neisseria meningitidis |
0.5 |
1 |
0.25 － 2 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
86 |
| Neisseria meningitidis |
0.5 |
1 |
0.25 － 2 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
948 |
| Neisseria meningitidis |
1 |
1 |
0.06 － 2 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
86 |
| Neisseria meningitidis |
1 |
- |
? － ? |
Cephalexin (Keflex, Keftal, Cefanox) |
308 |
| Neisseria meningitidis |
4 |
8 |
4 － 16 |
Tioconazole |
1504 |
| Neisseria meningitidis |
8 |
8 |
? － ? |
Gentamicin (Gentamycin, Garamycin) |
1389 |
| Neisseria meningitidis |
32 |
- |
32 － ? |
Kasugamycin |
1431 |
| Neisseria meningitidis |
- |
- |
≤0.006 － ? |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
963 |
| Neisseria meningitidis |
- |
- |
0.012 － ? |
Ofloxacin (Floxin) |
963 |
| Neisseria meningitidis |
- |
- |
0.025 － ? |
Norfloxacin (Noroxin) |
963 |
| Neisseria meningitidis |
- |
- |
≤0.06 － ? |
Tosufloxacin |
963 |
| Neisseria meningitidis |
- |
- |
<=0.2 － 0.8 |
Cefuroxime (Kefurox, Zinacef) |
1418 |
| Neisseria meningitidis |
- |
- |
4 － ? |
Clindamycin (Cleocin) |
961 |
| Neisseria meningitidis |
- |
- |
4 － ? |
Clindamycin (Cleocin) |
982 |
| Neisseria meningitidis |
- |
- |
4 － ? |
Pexiganan |
112 |
| Neisseria meningitidis |
- |
- |
>32 － ? |
Lincomycin (Lincocin) |
982 |
| Neisseria meningitidis |
- |
- |
>32 － ? |
Lincomycin (Lincocin) |
961 |
| Neisseria meningitidis |
- |
- |
>100 － ? |
Diospyrin |
183 |
| Neisseria meningitidis |
- |
- |
>100 － ? |
Isodiospyrin |
183 |
| Neisseria meningitidis (69480) |
- |
- |
128 － ? |
Cyclothialidine |
736 |
| Neisseria meningitidis (ATCC 13090) |
- |
- |
0.5 － ? |
Microbisporicin |
801 |
| Neisseria meningitidis (ATCC 13090) |
- |
- |
8 － ? |
Nisin |
801 |
| Neisseria meningitidis (ATCC 13090) |
- |
- |
>128 － ? |
Actagardine |
801 |