Serratia marcescens


See 'Additional Information'
See 'Additional Information'

General Information

Alternate Treatment

  • Fluoroquinolone

  • Aminoglycoside

  • Cefepime


  • Pip/tazo

  • Aztreonam

Pathogen information

Non-fermenting Gram negative rod, of the Enterobacteriaceae family. Often highly resistant


Environmental organism, can colonize humans

Infection usually in nosocomial setting

Causes nosocomial outbreaks and is resistant to some disinfectants

Associated syndromes

Nosocomial infections

  • Pneumonia (HAP)

  • UTI

  • Wound infections

  • Prosthetic device and line infections

Additional Information

May require contact precautions if highly resistant i.e. CRE