A fever can develop when a child is sick. It's a symptom that tells you your child's body is reacting to something, such as an infection. Fevers can be scary, especially in a young child, but typically aren't dangerous. Here's what you should know about fevers in children and when to call the doctor.
When Is It a Fever?
Normal body temperature is around 98.6°F. Sometimes it's higher later in the day, or if your child is very active, especially in warm weather.
You can't truly identify a fever by feeling your child's forehead. If you suspect a fever, it's best to check it using a thermometer. The type of thermometer you have will determine how you can measure it:
- Under the tongue (oral)
- In the armpit (axillary)
- On the forehead (temporal)
- In the ear (tympanic)
- In the rectum (rectal)
A temperature reading will be slightly different depending on what method you use. In babies and very young children, rectal reading is most accurate. Children over the age of 4 can hold a thermometer under their tongue, so an oral thermometer is best used for this age group.
A temperature over 100.4°F indicates a fever. It's common for children to get a fever when they have a cold, flu, or other illness, or it can develop after getting an immunization.
Generally, fevers aren't harmful but actually have beneficial effects as part of the immune system. Therefore, you don't have to treat it if your child is eating, drinking, and is comfortable. It's always wise to call your pediatrician if you have questions or concerns. Depending on your child's age and other symptoms, you may only need advice, not to visit the doctor.
When to Call The Doctor
If your baby is 3 months old or younger and develops a fever higher than 100.4°F, call the doctor immediately. Infants can't regulate their body temperature as well as older children, so a fever can pose a more serious problem for them.
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