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Fever in babies and children: when to see a doctor

What counts as a fever, when it is urgent and how to keep your child comfortable.

Health & safety · 3 min read · Updated November 2026

What is a fever

A temperature of 38°C or more is a fever. Fever is usually a sign the body is fighting an infection and is often not harmful by itself.

Under 3 months

A baby under 3 months with a temperature of 38°C or more should be seen by a doctor the same day, even if they seem well.

When to get help

See a doctor if your child is drowsy or hard to wake, is not drinking or has fewer wet nappies, has a rash that does not fade when pressed, has trouble breathing, or you are worried. Call 000 if they are unresponsive or having a seizure.

Keeping them comfortable

Offer frequent drinks and dress them in light clothing. Paracetamol or ibuprofen can help if your child is uncomfortable; check the dose for their weight and age. You do not need to treat a fever if your child is comfortable.

General information only, checked against Australian government and peak-body sources. Talk to your GP, midwife or child health nurse about your situation.

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