What to do when you think your child has a fever
>100.4 °F >102.5 °F Though parents and children dislike it, rectal thermometry is the most accurate way to measure core body temperature. "I recommend this method for children less than 3-4 months old because it's especially important to get an accurate temperature in this age group," says Masciale. The accuracy of oral thermometry increases with age as children become more cooperative. Parents who don't have a thermometer may often check for fever by feeling the forehead with the back of their hand, but according to Masciale, this is not an accurate method. Advertisement Running around pl...