| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Borrelia burgdorferi |
0.015 |
0.015 |
≤0.015 － 0.06 |
Azithromycin (Zithromax, Sumamed, Zitrocin)  |
402 |
| Borrelia burgdorferi |
0.03 |
0.03 |
≤0.015 － 0.06 |
Ceftriaxone (Rocephin) |
402 |
| Borrelia burgdorferi |
0.03 |
0.06 |
≤0.015 － 0.125 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
402 |
| Borrelia burgdorferi |
0.125 |
0.125 |
≤0.125 － ? |
Azlocillin |
402 |
| Borrelia burgdorferi |
0.125 |
0.25 |
0.06 － 0.5 |
Cefuroxime (Kefurox, Zinacef) |
402 |
| Borrelia burgdorferi |
0.125 |
0.25 |
0.06 － 1 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
402 |
| Borrelia burgdorferi |
0.125 |
0.5 |
0.015 － 2 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
402 |
| Borrelia burgdorferi |
0.5 |
2 |
0.25 － 2 |
Spectinomycin (Trobicin) |
402 |
| Borrelia burgdorferi |
8 |
16 |
4 － 16 |
Cefaclor (Ceclor, Ceclor CD) |
402 |
| Borrelia burgdorferi |
32 |
64 |
8 － 64 |
Tobramycin (Tobrex, Nebcin) |
402 |
| Borrelia burgdorferi |
32 |
64 |
16 － 64 |
Sulbactam |
402 |
| Borrelia burgdorferi |
- |
- |
≤0.001 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
15 |
| Borrelia burgdorferi |
- |
- |
≤0.001 － ? |
Cethromycin (ABT-773) |
15 |
| Borrelia burgdorferi |
- |
- |
0.004 － 0.008 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
15 |
| Borrelia burgdorferi |
- |
- |
0.008 － ? |
Clarithromycin (Biaxin) |
15 |
| Borrelia burgdorferi (297) |
- |
- |
≤0.0002 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
261 |
| Borrelia burgdorferi (297) |
- |
- |
≤0.0002 － ? |
Cethromycin (ABT-773) |
261 |
| Borrelia burgdorferi (297) |
- |
- |
≤0.0002 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
261 |
| Borrelia burgdorferi (297) |
- |
- |
0.0019 － ? |
Clarithromycin (Biaxin) |
261 |
| Borrelia burgdorferi (297) |
- |
- |
0.0019 － ? |
Roxithromycin |
261 |
| Borrelia burgdorferi (297) |
- |
- |
0.0039 － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
261 |
| Borrelia burgdorferi (297) |
- |
- |
0.0625 － ? |
Ceftriaxone (Rocephin) |
261 |
| Borrelia burgdorferi (ATCC 35210 + B31) |
- |
- |
≤0.0002 － ? |
Cethromycin (ABT-773) |
261 |
| Borrelia burgdorferi (ATCC 35210 + B31) |
- |
- |
<0.0002 － ? |
Telithromycin (HMR 3647, RU-66647, Ketek) |
261 |
| Borrelia burgdorferi (ATCC 35210 + B31) |
- |
- |
0.0019 － ? |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
261 |
| Borrelia burgdorferi (ATCC 35210 + B31) |
- |
- |
0.0039 － ? |
Clarithromycin (Biaxin) |
261 |
| Borrelia burgdorferi (ATCC 35210 + B31) |
- |
- |
0.0156 － ? |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
261 |
| Borrelia burgdorferi (ATCC 35210 + B31) |
- |
- |
0.0156 － ? |
Roxithromycin |
261 |