The temperature reading that sends every parent to Google at midnight. We break down exactly when to go, what to watch, and what the number alone cannot tell you.
When to go to the ER: Baby under 3 months with any fever. Fever above 40C. Difficulty breathing. Rash that does not fade when pressed. Seizure. Extremely drowsy or hard to wake.
When to wait and monitor: Baby over 3 months, fever under 39C, still eating and responding normally, no other alarming symptoms.
Always trust your instincts. When in doubt, call your pediatrician.