What is impetigo?

Common superficial bacterial skin infection, common in children 2-5 yrs, older can get affected, contagious, spread easily, most cases are due to S.aureus/GAS Non-bullous impetigo (most common form, AKA impetigo contagiosum, papules lesions surrounded by redness, progress to form pustules and breakdown to form honey-crust appearance) Bullous/Blistering impetigo (seen in young children, flaccid bullae w/clear yellow fluid later becomes purulent, if ruptures leaves a thick brown crust, common locations in face, extremities and diaper Skin diseases secondarily infected (most common in adults, bacteria penetrates through skin scratch/injury, look for pruritic dermatitis, scabies, eczema, herpes, VZV)