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