Impetigo is a bacterial skin infection. It is often called “school sores” because it most often affects children. It is quite contagious.
Streptococcus pyogenes and/or Staphylococcus aureus are the micro-organisms responsible for impetigo.
Impetigo may be caught from someone else with impetigo or boils, or appear “out of the blue”. It often starts at the site of a minor skin injury such as a graze, an insect bite, or scratched eczema.
Impetigo presents with pustules and round, oozing patches which grow larger day by day. There may be clear blisters (bullous impetigo) or golden yellow crusts. It most often occurs on exposed areas such as the hands and face, or in skin folds particularly the armpits.
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