Spectrum: Local Antimicrobial Stewardship, for UCLA Health

Penicillin G - Antibiogram Data

Gram Positive - Pooled
% of Isolates Susceptible

Streptococcus anginosus group89%
n = 9
Streptococcus, Viridans group60%
n = 21

Excluding Streptococcus anginosus

Staphylococci, coagulase negative<10%
n = 23

See "General Susceptibility" for more information.

Staphylococcus epidermidis<10%
n = 72
Staphylococcus lugdunensis<10%
n = 36

S. lugdunensis is best treated with a Beta-lactam agent

Streptococcus pneumoniae88%*
n = 8

*Patients with meningitis. In patients without meningitis, %S = 100