Got Questions? We've got answers from experts and parents who've
been there. When can I stop using a rectal thermometer to take
my child's temperature? It may make both you and your kid a
little squeamish, but it's best to take your child's temperature
rectally until age 3 or so. That's because it's the most
accurate, and with babies and toddlers, even small differences
in temperature can affect how serious a fever is or whether to
call/see the doctor. But after this age, you can try other types
of thermometers, like axillary (under the arm), tympanic (in the
ear), or oral (in the mouth). If you go the oral route, make
sure your child knows not to bite it, which can skew the
results. Whatever type of thermometer you choose, be sure to
pick a digital one, which can give you a reading in a minute or
less, depending on the brand, which is key when you have a
toddler who won't sit still. To use a digital thermometer, first
be sure it's clear of old readings. If your thermometer uses
plastic sheaths, place a clean