Impetigo

Revision as of 15:03, 25 April 2015 by Yoshmd (talk | contribs) (Treatment)

Background

  • Superficial epidermal infection characterized by amber crusts (nonbullous) or vesicles (bullous)
  • May be super-infection or primary infection
  • Fever and systemic signs are uncommon
  • Postinfectious Glomerulonephritis is a possible complication

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