Impetigo

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Background

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Impetigo honey-colored scab

Clinical Features

  • 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

Differential Diagnosis

Rash

Evaluation

  • Clinical diagnosis

Management

Antibiotics

Coverage for MSSA, MRSA, Group A Strep

Topical therapy

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

Oral Therapy

Disposition

  • Outpatient

See Also

References