Impetigo

  • Superficial skin infection
  • Highly infectious
  • Children
    • Most common bacterial skin infection in children
  • Etiology
    • Staph aureus – 80%
    • Strep pyogenes
    • Risk factors
      • Diabetes
      • Immunosuppression
    • Secondary – superinfection of atopic dermatitis, etc
  • Clinical features
    • Honey-crusted lesions
      • The result of ruptured pustules
    • Central face
    • Itching
    • Can be bullous
  • Types
    • Ecthyma
      • A form of impetigo that extends into the dermis and ulcerates
      • Risk factors
        • Diabetes
        • Immunosuppression
      • Round superficial ulcers
  • Treatment
    • Antibacterial wash
    • Mild – topical antibiotics
      • Mupirocin
    • Severe – oral antibiotics
      • Amoxicillin
  • Complications
    • Post-streptococcal GN