| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Neisseria gonorrhoeae (penicillin-resistant) |
0.35 |
0.7 |
0.25 － 1 |
Cephalothin sodium salt  |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
0.5 |
1 |
0.25 － 2 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
0.5 |
1 |
0.25 － 2 |
Minocycline (Minocycline hydrochloride, Minocin) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
0.6 |
1 |
0.25 － 2 |
Cefatrizine |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
0.78 |
0.78 |
? － ? |
Rifalazil (ABI-1648, KRM-1648) |
1082 |
| Neisseria gonorrhoeae (penicillin-resistant) |
1 |
1.2 |
1 － 2 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
1 |
1.3 |
1 － 2 |
Chloramphenicol (Chloromycetin) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
1.3 |
1.6 |
1 － 2 |
Methicillin sodium salt |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
1.3 |
2 |
1 － 4 |
Cefazolin sodium salt |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
1.3 |
2 |
1 － 4 |
Cephalexin (Keflex, Keftal, Cefanox) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
1.8 |
2.8 |
1 － 8 |
Cephradine (Cefradine, Velocef) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
2 |
4.2 |
0.5 － 8 |
Dicloxacillin |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
2.3 |
4.1 |
1 － 8 |
Cephapirin |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
2.4 |
4.8 |
1 － 8 |
Cloxacillin (Tegopen, Coxapen) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
2.5 |
3.4 |
2 － 8 |
Nafcillin (Unipen, Nafcil) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
2.9 |
4.2 |
2 － 8 |
Cefadroxil (Cephadroxil, Duricef) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
5.3 |
9.1 |
4 － 16 |
Cephacetrile |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
5.8 |
9.6 |
4 － 16 |
Carbenicillin disodium salt |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
8 |
10.4 |
8 － 16 |
Spectinomycin (Trobicin) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
8 |
16 |
2 － 32 |
Cefaclor (Ceclor, Ceclor CD) |
1492 |
| Neisseria gonorrhoeae (penicillin-resistant) |
8 |
46 |
0.25 － 64 |
Benzylpenicillin potassium salt |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
12 |
69 |
4 － 128 |
Ampicillin sodium |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
12.8 |
19.2 |
8 － 32 |
Oxacillin sodium salt |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
12.8 |
41.6 |
4 － >128 |
Cephaloridine (Cefaloridine) |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
16 |
51.2 |
4 － 128 |
Phenoxymethyl penicillin potassium salt |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
20.8 |
128 |
4 － 128 |
Amoxicillin trihydrate |
1408 |
| Neisseria gonorrhoeae (penicillin-resistant) |
32 |
>32 |
1 － >32 |
Cefprozil (Cefzil) |
1492 |
| Neisseria gonorrhoeae (penicillin-susceptible) |
0.015 |
0.06 |
0.004 － 0.06 |
Cefpodoxime |
1492 |