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Roseola Infantum (Children)

2026/03/10
What Is Roseola Infantum?
Roseola Infantum, or roseola, as it is commonly known, is a common, mild childhood infection caused by a virus. It is characterised by a few days of fever, sometimes followed by a rash over the body after the body temperature returns to normal.  

This infection primarily affects infants and young toddlers; most are affected before the age of two.  
Signs & Symptoms

Some of the symptoms and signs of this infection are as follows:  

  • Fever, lasting three to five days. 
  • Some children may have febrile seizures during the initial high fever period. 
  • After the temperature returns to normal, a rash may first appear on the body, then on the limbs. The rash can last for about 2 days and should be blanchable (i.e. when pressed, it turns white briefly). 
What Can Parents Do at Home?

For fever, parents may start antipyretic medications such as paracetamol and ibuprofen at home.

Antibiotics are not required, as this is a viral infection.  

Please also ensure that your child has sufficient oral intake of fluids. No treatment is required for the rash, as it is usually not itchy or painful. It is expected to resolve on its own in a few days.  

When Should Parents Be Worried?
If your child has a febrile seizure (jerking or stiffening of limbs, with altered consciousness, during the fever), or if there is poor intake of food and fluids, please bring your child to the doctor. 

If your child has a febrile seizure lasting more than 5 minutes or remains drowsy after the seizure, please call an ambulance immediately.  
Summary
Roseola is a common viral infection in early childhood that is characterised by a few days of high fever, followed by a self-limiting rash. It is expected to resolve by itself. This condition can often be managed at home, with fever medications to reduce discomfort and encouraging your child to take sufficient fluids.  
About Us
The Department of Paediatrics, Khoo Teck Puat – National University Children’s Medical Institute (KTP-NUCMI) is part of the National University Centre for Women and Children (NUWoC)

Our paediatricians provide comprehensive and specialised medical and surgical services for newborns, children and adolescents. 

Click here for information on how to make an appointment with our paediatricians. 
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