Home › Search by Antimicrobial › Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin)
Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Staphylococcus lugdunensis (coagulase-negative + oxacillin-resistant) >2 >2 0.06 － >2 592
Staphylococcus pyogenes (erythromycin-resistant) ≤0.03 ≤0.03 ≤0.03 － ? 592
Staphylococcus saprophyticus (coagulase-negative + mupirocin-resistant) >2 >2 ≤0.03 － >2 592
Staphylococcus saprophyticus (coagulase-negative + oxacillin-resistant) >2 >2 0.06 － >2 592
Staphylococcus simulans (coagulase-negative + mupirocin-susceptible + oxacillin-susceptible) >0.5 >2 ≤0.03 － >2 592
Staphylococcus simulans (coagulase-negative + oxacillin-resistant) >2 >2 0.06 － >2 592
Staphylococcus sp. (penicillin-resistant) - - ≥0.25 － ? 230
Staphylococcus sp. (penicillin-susceptible) - - ≤0.12 － ? 230
Staphylococcus warneri (coagulase-negative + mupirocin-resistant) >2 >2 ≤0.03 － >2 592
Staphylococcus warneri (coagulase-negative + mupirocin-susceptible + oxacillin-susceptible) >0.5 >2 ≤0.03 － >2 592
Staphylococcus warneri (coagulase-negative + oxacillin-resistant) >2 >2 0.06 － >2 592
Streptococci 0.064 0.75 ? － ? 403
Streptococci 0.125 3 ? － ? 126
Streptococci (serogroup A + β-hemolytic) 0.03 0.06 ≤0.016 － 0.12 472
Streptococci (serogroup A + β-hemolytic) 0.03 0.06 ≤0.016 － 0.25 412
Streptococci (serogroup B + β-hemolytic) 0.03 0.06 ≤0.016 － 0.12 472
Streptococci (serogroup B + β-hemolytic) 0.03 0.06 ≤0.016 － 0.25 412
Streptococci (serogroup C + β-hemolytic) 0.03 0.06 ≤0.016 － 0.12 472
Streptococci (serogroup C + β-hemolytic) 0.03 0.06 ≤0.016 － 0.25 412
Streptococci (serogroup C) ≤0.016 ≤0.016 ≤0.016 － 0.06 246
Streptococci (serogroup F + β-hemolytic) 0.03 0.06 ≤0.016 － 0.12 472
Streptococci (serogroup F + β-hemolytic) 0.03 0.06 ≤0.016 － 0.25 412
Streptococci (serogroup G + β-hemolytic) 0.03 0.06 ≤0.016 － 0.12 472
Streptococci (serogroup G + β-hemolytic) 0.03 0.06 ≤0.016 － 0.25 412
Streptococci (serogroup G) ≤0.016 ≤0.016 ≤0.016 － 0.06 246
Streptococci (Viridans group + penicillin-intermediate) 0.5 1 0.5 － 2 43
Streptococci (Viridans group + penicillin-resistant) >4 >4 4 － >4 43
Streptococci (Viridans group + penicillin-resistant) >4 >4 4 － >4 43