How to tell if my child has a fever?
Quick answer
Fever is ≥38°C (100.4°F). Best site: rectal for infants <3 months, tympanic/forehead for older children. Temperature alone doesn't define severity — general status matters more.
Note: This answer is for educational purposes and does not replace a consultation with a specialist who examines your case in person. Do not use it for self-diagnosis.