Illustration: High fever
 is very high:
  • above 39 °C (102.2°F) in children,
  • above 38°C (100.4°F) in babies under three months old.
Illustration: Calendar
 lasts
  • longer than one day in babies, and
  • longer than three days in children aged two and over
  • doesn't go down after taking fever-reducing medication.
Illustration: Calendar
 comes and goes or
Illustration: Febrile seizure
leads to a febrile seizure.

From: Fever in children: When to see a doctor

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InformedHealth.org [Internet].
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