Spectrum: Local Antimicrobial Stewardship, for Eastern Health

Nitrofurantoin - Antibiogram Data

Gram Negative Organisms
% of Isolates Susceptible

Escherichia coli99%
n = 6424
Klebsiella oxytoca94%
n = 292
Citrobacter freundii90%
n = 156
Klebsiella pneumoniae54%
n = 1115
Citrobacter koseri44%
n = 34
Klebsiella aerogenes34%
n = 77

Previously known as Enterobacter aerogenes

Enterobacter cloacae32%
n = 254
Acinetobacter baumanniiR
n = 32
Morganella morganiiR
n = 109
Proteus mirabilisR
n = 539
Pseudomonas aeruginosaR
n = 433
Serratia marcescensR
n = 75
Stenotrophomonas maltophiliaR
n = 70

Note

Nitrofurantoin susceptibility is provided for URINARY isolates only.

Even if urinary isolate is susceptible to nitrofurantoin this drug should NOT be used if patient has positive blood cultures for the same organism.