Spectrum: Local Antimicrobial Stewardship, for Eastern Health

Nitrofurantoin - Antibiogram Data

Gram Positive Organisms
% of Isolates Susceptible

Staphylococcus saprophyticus100%
n = 67

Cystitis only

Staphylococcus lugdunensis100%
n = 40

Cystitis only

Staphylococcus aureus100%
n = 928

For Cystitis only

This data Includes ALL S. aureus (i.e. both MRSA and MSSA) isolates.

Clinical Relevance

29% of S. aureus isolates tested were MRSA.
Empiric therapy of serious S. aureus infections should include MRSA coverage until final culture results known.

Staphylococcus epidermidis99%
n = 148

Cystitis only

Enterococcus faecalis98%
n = 1262

For Cystitis only

Staphylococcus haemolyticus97%
n = 33

Cystitis only

Enterococcus faecium3%
n = 137

For Cystitis only

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.