Staphylococcus aureus
Staphylococcus aureus

Staphylococcus aureus

Gram Positive Organisms

% of Isolates Susceptible

100% n = 928

For Cystitis only

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.

100% n = 1286
100% n = 1430
100% n = 1430
71% n = 1421

Cloxacillin susceptible Staphylococci are also susceptible to cefazolin

71% n = 1425
67% n = 1292

Not for use in sterile site infections

R n = 1170
R n = 1172


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.