HomeSearch by AntimicrobialAzithromycin (Zithromax, Sumamed, Zitrocin)
Microorganism MIC50sort
(μg/ml)
MIC90sort
(μg/ml)
Rangesort
(μg/ml)
Reference
Streptococcus pyogenes (erm(B)) >=64 ≥64 0.5 - >=64 950
Streptococcus pyogenes (erm(B)) >64 >64 >64 - ? 1113
Streptococcus pyogenes (erm(B)) - - >32 - ? 52
Streptococcus pyogenes (erm(B)-inducible) >64 >64 >64 - ? 1113
Streptococcus pyogenes (ermTR) - - 4 - ? 52
Streptococcus pyogenes (ermTR) - - 8 - ? 52
Streptococcus pyogenes (erythromycin A-susceptible) 0.12 0.25 0.001 - 0.5 950
Streptococcus pyogenes (erythromycin A-susceptible) - - 0.015 - 0.25 52
Streptococcus pyogenes (erythromycin-resistant) 8 16 2 - >64 35
Streptococcus pyogenes (erythromycin-susceptible) 0.06 0.06 0.03 - 0.3 35
Streptococcus pyogenes (erythromycin-susceptible) 0.12 0.25 0.001 - 0.5 1113
Streptococcus pyogenes (erythromycin-susceptible) 0.125 0.25 0.063 - 0.5 502
Streptococcus pyogenes (erythromycin-susceptible) 0.125 0.25 0.125 - 0.25 1113
Streptococcus pyogenes (inducible erm(A)) 32 128 8 - >128 15
Streptococcus pyogenes (inducible erm(B) + mef(A)) - - >64 - ? 502
Streptococcus pyogenes (inducible + erm(B)) - - >64 - ? 502
Streptococcus pyogenes (inducible erm(TR) + mef(A)) - - 8 - ? 502
Streptococcus pyogenes (inducible erm(TR)) 16 32 0.5 - >64 502
Streptococcus pyogenes (inducibly erythromycin-resistant) 40 40 ? - ? 58
Streptococcus pyogenes (macrolide-susceptible) 0.12 0.25 0.12 - 0.25 15
Streptococcus pyogenes (mef(A)) 8 8 2 - 8 15
Streptococcus pyogenes (mef(A)) 8 8 2 - 16 1113
Streptococcus pyogenes (mef(A)) 8 16 0.06 - 64 1113
Streptococcus pyogenes (mef(A)) 8 16 1 - 32 950
Streptococcus pyogenes (mef(A)) 40 8 1 - 16 502
Streptococcus pyogenes (mef(A)) - - 4 - 16 52
Streptococcus pyogenes (penicillin-resistant) 2.5 40 ? - ? 58
Streptococcus salivarius 0.06 >8 0.008 - >8 1467