HomeSearch by AntimicrobialClarithromycin (Biaxin)
Microorganism MIC50sort
(μg/ml)
MIC90sort
(μg/ml)
Rangesort
(μg/ml)
Reference
Streptococcus pneumonia (erm(B)) >64 >64 2 - >64 1113
Streptococcus pneumonia (erm(B)) >128 >128 2 - >128 15
Streptococcus pneumonia (erm(B)) >128 >128 16 - >128 1111
Streptococcus pneumonia (erythromycin A-resistant) 1 32 ≤0.12 - 32 499
Streptococcus pneumonia (erythromycin A-susceptible) 0.03 0.06 0.001 - 1 950
Streptococcus pneumonia (erythromycin A-susceptible) ≤0.12 ≤0.12 ≤0.12 - 0.5 499
Streptococcus pneumonia (erythromycin-resistant) >8 >32 0.06 - >128 948
Streptococcus pneumonia (erythromycin-susceptible) 0.03 0.03 0.008 - 0.06 1113
Streptococcus pneumonia (erythromycin-susceptible) 0.03 0.06 0.001 - 0.25 1113
Streptococcus pneumonia (erythromycin-susceptible) ≤0.031 ≤0.031 ≤0.031 - ? 502
Streptococcus pneumonia (erythromycin-susceptible) <0.12 <0.12 <0.004 - 1 948
Streptococcus pneumonia (IID553) - - 0.05 - ? 380
Streptococcus pneumonia (L22 & 23S rRNA mutants) 0.5 - 0.125 - 16 1113
Streptococcus pneumonia (L4 mutants) 32 64 0.25 - 64 1113
Streptococcus pneumonia (levofloxacin-intermediate-resistant) >0.015 >32 ? - ? 268
Streptococcus pneumonia (macrolide-resistant) - - 32 - >32 49
Streptococcus pneumonia (macrolide-susceptible) 0.015 0.03 0.002 - 0.06 15
Streptococcus pneumonia (mef(A) + mef(E)) 1 4 0.06 - >64 1113
Streptococcus pneumonia (mef(A)) 1 4 0.06 - >=64 950
Streptococcus pneumonia (mef(A)) 2 4 1 - 4 502
Streptococcus pneumonia (mef(A)) 16 32 4 - >128 1111
Streptococcus pneumonia (mef(E)) 1 8 0.5 - 8 1113
Streptococcus pneumonia (mef(E)) - 4 0.06 - 8 815
Streptococcus pneumonia (penicillin-intermediate + erythromycin-intermediate) >=8 ≥32 1 - >=32 470
Streptococcus pneumonia (penicillin-intermediate + erythromycin-resistant) >=8 ≥32 1 - >=32 470
Streptococcus pneumonia (penicillin-intermediate + erythromycin-susceptible) 0.125 0.25 0.06 - 0.25 470
Streptococcus pneumonia (penicillin-intermediate) >0.03 >64 <0.03 - >64 45
Streptococcus pneumonia (penicillin-intermediate) 0.03 64 ≤0.03 - >64 195