Spectrum: Local Antimicrobial Stewardship, for Markham Stouffville Hospital

Cephalexin - Antibiogram Data

All Specimens - Gram Negative
% of Isolates Susceptible

Escherichia coli96%
n = 168

Does not include ESBL

Klebsiella pneumoniae94%
n = 32
Proteus mirabilis92%
n = 12
Escherichia coli (ESBL)88%
n = 184

Data includes both ESBL(+) and ESBL(-) isolates.

Klebsiella oxytoca56%
n = 9
Enterobacter speciesR
n = 7
Citrobacter freundiiR
n = 4

Note

Cefazolin susceptibility predicts cephalexin susceptibility for most organisms however cephalexin may not be appropriate for severe infections or bacteremia.