Staphylococcus aureus


See 'Additional Information'
See 'Additional Information'

General Information

Coagulase positive, gram-positive cocci in clusters.

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

MRSA risk factors include:

  • Health care exposure

  • Antimicrobial use

  • Incarceration

  • IDU

  • Shared equipment

  • Others

  • Pyogenic skin and soft tissue infection

  • MSK infection

  • Endocarditis

  • Abscess

  • Pneumonia

  • Infection of prosthetic devices

  • Others

MSSA: Standard precautions.

MRSA: Requires contact precautions. Add droplet precautions if patient has a cough.

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