Staphylococcus aureus (MRSA)


See 'Additional Information'
See 'Additional Information'

General Information

Pathogen information

Gram positive cocci in clusters, Coagulase positive


Staph aureus is a ubiquitous organism that colonizes the skin/nares and can cause invasive disease.

MRSA risk factors include health care exposure (hospitalization, hemodialysis), antimicrobial use, incarceration, IDU, shared equipment and others

Associated syndromes

Highly virulent organism

Infection manifests as:

  • Pyogenic skin and soft tissue infection

  • MSK infection

  • Endocarditis

  • Abscess

  • Pneumonia

  • Infection of prosthetic devices

  • Others

Additional Information

MRSA colonization: Contact precautions. To be discontinued only by IPAC.
Wound infection/impetigo/scalded skin syndrome: Contact precautions.

Pneumonia: Droplet/contact until 24 hours of appropriate antibiotic therapy received