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Group B streptococcal neonatal parotitis
  1. Filipa Dias Costa1,2,
  2. Daniel Ramos Andrade3,
  3. Filipa Inês Cunha1,
  4. Agostinho Fernandes1
  1. 1Pediatric Department, Figueira da Foz Hospital, Figueira da Foz, Coimbra, Portugal
  2. 2Pediatric Department, Coimbra Hospital and University Centre, Coimbra, Portugal
  3. 3Medical Imaging Department, Coimbra Hospital and University Centre, Coimbra, Portugal
  1. Correspondence to Dr Filipa Dias Costa, filipacdcosta{at}


Acute neonatal parotitis (ANP) is a rare condition, characterised by parotid swelling and other local inflammatory signs. The most common pathogen is Staphylococcus aureus, but other organisms can be implicated. We describe the case of a 13-day-old term newborn, previously healthy, with late-onset group B Streptococcus (GBS) bacteraemia with ANP, who presented with irritability, reduced feeding and tender swelling of the right parotid. Laboratory evaluation showed neutrophilia, elevated C reactive protein and procalcitonin, with normal serum amylase concentration. Ultrasound findings were suggestive of acute parotitis. Empiric antibiotic therapy was immediately started and adjusted when culture results became available. The newborn was discharged after 10 days, with clinical improvement within the first 72 h. Although S. aureus is the most common pathogen implicated in ANP, GBS should be included in the differential diagnosis.

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