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
Streptococcus pneumonia (Park I) - - 0.016 － ? 51
Streptococcus pneumonia (pbp2x and pbp2b or pbp1a and pbp2x genes abnormal + penicillin) 0.25 0.25 0.063 － 0.5 121
Streptococcus pneumonia (pbp2x gene abnormal + penicillin-intermidiate) 0.063 0.063 0.031 － 0.25 121
Streptococcus pneumonia (pbpla, pbp2x, and pbp2b genes abnormal + penicillin-resistant) 2 2 0.5 － 4 121
Streptococcus pneumonia (penicillin-intermediate + erythromycin-intermediate) 0.25 1 0.125 － 1 470
Streptococcus pneumonia (penicillin-intermediate + erythromycin-resistant) 0.25 1 0.125 － 1 470
Streptococcus pneumonia (penicillin-intermediate + erythromycin-susceptible) 0.25 1 0.125 － 1 470
Streptococcus pneumonia (penicillin-intermediate) 0.19 1 0.094 － 1 469
Streptococcus pneumonia (penicillin-intermediate) 0.25 1 0.12 － 1 462
Streptococcus pneumonia (penicillin-intermediate) 0.25 1 0.12 － 1 499
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.12 － 1 73
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.12 － 1 84
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.12 － 1 114
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.125 － 1 178
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.125 － 1 109
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.125 － 1 115
Streptococcus pneumonia (penicillin-intermediate) 0.5 1 0.125 － 1 364
Streptococcus pneumonia (penicillin-intermediate) 4 4 2 － 4 130
Streptococcus pneumonia (penicillin-intermediate) - 1 0.12 － 1 287
Streptococcus pneumonia (penicillin-intermediate) - - 0.12 － 1 452
Streptococcus pneumonia (penicillin-intermediate-resistant) 1 2 0.125 － 8 497
Streptococcus pneumonia (penicillin-intermediate-resistant) 4 4 2 － 4 443
Streptococcus pneumonia (penicillin-resistant) 0.78 1.56 0.1 － 3.13 40
Streptococcus pneumonia (penicillin-resistant) 1 2 0.125 － 4 952
Streptococcus pneumonia (penicillin-resistant) 1 4 2 － >4 499
Streptococcus pneumonia (penicillin-resistant) 2 2 2 － >2 73
Streptococcus pneumonia (penicillin-resistant) 2 2 2 － ? 364
Streptococcus pneumonia (penicillin-resistant) 2 4 1 － >16 1111