Staphylococcus aureus (MSSA)


Standard Precautions

General Information

Gram positive cocci in clusters, coagulase positive

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

Can cause a wide range of clinical syndromes

  • Pyogenic skin and soft tissue infection

  • Osteomyelitis

  • Endocarditis

  • Abscess

  • Cellulitis

  • Pneumonia

  • Empyema

  • Infection of prosthetic devices

  • Others

Toxin mediated diseases:

  • Staphylococcal toxic shock syndrome

  • Staphylococcal food poisoning

  • Staphylococcal scalded skin syndrome

Any localized S. aureus infection can become invasive and lead to bacteremia.

Infectious disease consultation recommended for all invasive infections.