And if it involves a fever, those hourly readings can be exhausting if you have to wash off a thermometer or do
a rectal reading.
To take
a rectal reading, use a dab of petroleum jelly on the tip of the thermometer.
The paediatrician recommended way to take a temperature is with
a rectal reading because it is the most accurate way to measure temperature.
Instant ear thermometers get the job done, but the AVMA advises getting
a rectal reading for the best results.