Impetigo

Revision as of 00:17, 24 February 2015 by Jesse (talk | contribs) (Background)

Background

  • Superficial epidermal infection characterized by amber crusts (nonbullous) or vesicles (bullous)
  • May be super-infection or primary infection
    • Typical causative organisms are Staphylococcus. aureus or Streptococcus pyogenes
  • Fever and systemic signs are uncommon
  • Postinfectious Glomerulonephritis is a possible complication

Diagnosis

  • 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
Impetigo honey-colored scab

Treatment

  • Topical abx
    • Mupirocin ointment 2% TID x 7-14d
  • Oral abx

Source

Tintinalli