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Roseola (sixth disease)

Exanthema subitum (roseola infantum) · Šestá nemoc (exanthema subitum)

What it is

A herpes virus infection (HHV-6, sometimes HHV-7) nearly every child has by age 2: three days of high fever, then a rash as the fever breaks; a common cause of febrile seizures.

Symptoms & signs

  • High fever for 3–5 days in a well-looking toddler
  • pink spotty rash on the trunk as fever ends
  • irritability, runny nose, swollen eyelids
  • febrile seizure in some

🚩 Get help if…

  • call 112 / 911 now Fit lasting over 5 minutes or a second fit
  • call 112 / 911 now Floppy, hard to wake or a rash that doesn't fade under a glass
  • see a doctor soon Fever over 39 °C in a baby under 6 months
  • see a doctor soon Fever lasting over 5 days

Where it strikes

Medical treatment

  • Fluids and fever medicine for comfort
  • check for other causes of fever in young babies
  • antivirals only with weak immunity (transplant)

Natural & lifestyle

  • Rest and fluids
  • no need to keep away once the rash appears

Emerging & experimental

  • HHV-6 reactivation research in transplants and chronic illness

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Amber teething necklaces — no effect; choking and strangulation risk not confirmed in trials
  • Lukewarm sponging — brief comfort; does not prevent seizures anecdotal / traditional

ICD codes