Fermenting gram negative rod, of the Enterobacteriaceae family.
Normal GI flora.
UTI
Can cause nosocomial infections similar to Klebsiella pneumoniae
There is evidence that this organism may cause colitis associated with antimicrobial use
May require contact precautions if highly resistant i.e. ESBL, carbapenem resistant.
Treatment of choice for ESBL strains is a carbapenem.