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Intertrigo of streptococcal aetiology: a different kind of diaper dermatitis
  1. Susana Castilho,
  2. Sofia Ferreira,
  3. Fabiana Fortunato,
  4. Sara Santos
  1. Department of Pediatrics, Centro Hospitalar do Oeste, Caldas da Rainha, Portugal
  1. Correspondence to Dr Sofia Ferreira,{at}

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A 3-month-old infant presented with a 3-day history of an intertriginous eruption. His previous history was irrelevant and his last vaccination was at 2 months old according to the Portuguese immunisation schedule.

No other family members were affected and the child was otherwise well. Physical examination revealed an exuberant area of erythema and maceration of the inguinal folds and genitals (figures 1 and 2). This rash was bright red in colour and had well-defined borders. No satellite lesions were present.

Figure 1

Intertriginous eruption on the third day after initial appearance.

Figure 2

Intertriginous eruption on the third day after initial appearance.

Bacterial culture of the affected region was obtained by a skin swab, and …

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