Roseola (Sixth Disease) 

Roseola, caused primarily by Human Herpesvirus 6 (HHV-6), commonly affects children aged between 6 months and 2 years.

Timeline

• Incubation Period: 9–10 days
• Illness duration: Typically up to 5 days

Clinical Features

• Symptoms:
  • Sudden onset of high fever lasting several days
  • Fever subsides abruptly, followed immediately by a macular rash
• Rash:
  • Begins on the trunk, spreading to the legs and neck
  • Non-itchy, lasts 1–3 days

Complications

• Febrile convulsions due to rapid fever onset

Treatment

• Regular use of antipyretics for symptomatic relief