Skip to main content

Methicillin-Resistant Staphylococcus Aureus (MRSA) Skin Infections

Stephen A. Martin, MD, EdM and Paul P. Belliveau, PharmD Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) has unique properties that allow the organism to cause skin and soft tissue infections (SSTIs) in healthy hos...

DIAGNOSIS

HISTORY

  • Review risk factors.

  • “Spider bite” is commonly confused with MRSA—patients often report an unclear history of spider bite.

  • Prior MRSA skin infection

  • Risk factors alone cannot rule in or ...

TREATMENT

  • Use antibiotics that are active against MRSA for patients with carbuncles or abscesses if patients do not respond to initial antibiotic treatment, have markedly impaired host defenses, or pr...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

For outpatients: 
  • Promptly return for care with systemic symptoms, worsening local symptoms, or failure to improve within 48 hours. Consider a fo...

REFERENCES

1
Stevens DL, Bisno AL, Chambers HF, et al; for Infectious Diseases Society of America. Practice guidelines for the diagnosis and management of skin and soft tissue infections: 2014 update b...

ADDITIONAL READING

  • Bystritsky R, Chambers H. Cellulitis and soft tissue infections. Ann Intern Med.  2018;168(3):ITC17–ITC32. [View Abstract on OvidMedline]

  • Fenster DB, Renny MH, Ng C, et al. Scra...

CODES

ICD10

  • A49.02 Methicillin resis staph infection, unsp site

  • A41.02 Sepsis due to Methicillin resistant Staphylococcus aureus

  • J15.212 Pneumonia due to Methicillin resistant Staphylococcus aureus

  • Z22.32...

CLINICAL PEARLS

  • Incise and drain abscesses and send purulent material for culture and sensitivity.

  • Local susceptibility patterns of CA-MRSA dictate antibiotic treatment (http://www.cdc.gov/mrsa/pdf/Flo...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

×