In most adults, a fever starts at an oral or axillary temperature of °C (°F) or a rectal or ear temperature of °C (°F). A child has a fever when his.
There are 4 ways to take (measure) a temperature: A digital thermometer is best for taking temperatures by the armpit and mouth. Fever strips and pacifier thermometers do not give an accurate temperature.
Scand J Caring Sci. Jun;16(2) Normal oral, rectal, tympanic and axillary body temperature in adult men and women: a systematic literature review .
Here are step-by-step instructions on how to take rectal temperature in kids or adults who cannot hold an oral thermometer under the tongue.