Impetigo is a common superficial bacterial skin infection which is usually a mild infection.
Complications, while rare, include: acute glomerulonephritis, cellulitis, staphylococcal scalded skin syndrome, lymphangitis, osteomyelitis and septic arthritis and septicaemia, Scarlet fever, urticaria and erythema multiforme.
Impetigo can develop as a primary infection in otherwise healthy skin or as a secondary complication of pre-existing skin conditions such as eczema, scabies, or chickenpox.
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