Difference between revisions of "Impetigo"

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**Typical causative organisms are ''[[Staphylococcus aureus]] or [[Streptococcus pyogenes]]''
 
**Typical causative organisms are ''[[Staphylococcus aureus]] or [[Streptococcus pyogenes]]''
 
*Fever and systemic signs are uncommon
 
*Fever and systemic signs are uncommon
*Postinfectious Glomerulonephritis is a possible complication
+
*[[Post-streptococcal glomerular nephritis]] is a possible complication
  
 
==Diagnosis==
 
==Diagnosis==

Revision as of 05:51, 21 February 2016

Background

Diagnosis

Impetigo honey-colored scab
  • Nonbullous
    • Erythematous macules/papules develop into vesicles which become pustular and rupture
      • As rupture release yellow fluid which dries to form stratified golden crust
  • Bullous
    • Bullae form as result of staph toxin
    • Some cases caused by MRSA

Work-up

  • Clinical diagnosis

Differential Diagnosis

Rash

Treatment

Antibiotics

Coverage for MSSA, MRSA, Group A Strep

Topical therapy

  • Mupirocin (Bactroban) 2% ointment q8hrs x 5 days
    • For nonbullous impetigo, topic antibiotics are as effective as oral antibiotics

Oral Therapy

See Also

Source