Fever in Children: When to Worry and When to Wait

Fever is one of the most common reasons parents panic—and one of the most common reasons children are brought to urgent care. The good news? Most fevers are not dangerous. But knowing when to act is critical.

What is a fever?

A fever is generally defined as a temperature of 37.8°C (100°F) or higher. It’s the body’s natural response to infection—usually viral. A fever helps the body’s immune system kick into action and fight the infection.

When fever is NOT dangerous:

In most children over 6 months, a fever is manageable at home if:

• Your child is still drinking fluids

• They are alert (even if less active)

• The fever responds to medication

• There are no red flag symptoms

Red flags: When to seek urgent care immediately:

You should seek medical attention if your child has a fever AND:

• Is under 3 months old 

• Is difficult to wake or unusually drowsy

• Has trouble breathing

• Has a seizure

• Has a rash that doesn’t fade when pressed with your finger or a glass

• Is not drinking or passing urine

• has blue lips, tongue, or nails

• has a bulging or sunken soft spot on the head (in babies)

• has a stiff neck, severe headache, or bad belly pain

• is limp or refuses to move

  
  

What parents can do at home:

• Offer frequent fluids 

• Use paracetamol or ibuprofen (correct dosing is key)

• Dress your child lightly (no heavy bundling)

• Monitor your child's behaviour, not just the number on the thermometer

Common mistakes to avoid:

• Giving cold baths - this can cause shivering and a rebound rise in body temperature

• Rubbing alcohol because it can cause poisoning when absorbed through the skin

• Overdressing

• Giving incorrect doses of anti-fever medications - do follow the dosing advice given by your child's doctor, or alternatively, the recommended dose for age given on the medication box.

  
  

Bottom line: Treat the child, not just the fever. A playful child with a high fever is often less concerning than a lethargic child with a mild one.

Be well,

Paula

Dr  Paula Robertson is a busy mom and a paediatrician with over twenty years' experience working with young people and their families. She is also a certified children's mindfulness teacher and Positive Discipline Parenting

coach. You can find out more at www.paulathedoctormom.com.