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What is the best baby thermometer? See our top 5

best baby thermometer

This depends on three things.

  • The age of your baby
  • How cooperative he or she is.
  • How (or where) you measure the temperature.

You can measure it auxiliary (under the arm), rectal (using the rectum), oral (in the mouth) or in the ear (tympanic).

Though, most doctors still recommend a rectal reading for babies younger than 6 months.

Recommended way of reading the temperature by age:

Age 0 -2 years

  • Preferred choice a rectal reading
  • The second choice an auxiliary reading

Age 2-5 years

  • Preferred choice a rectal reading
  • The second choice tympanic reading
  • The third choice an auxiliary reading

Age 5 and up

  • Preferred choice an oral reading
  • The second choice tympanic reading
  • The third choice an auxiliary reading

best baby thermometer review

The number one requirement of a baby thermometer is that it needs to be accurate and consistent. Ideally the best baby thermometer has an accuracy of no more than 0.3 ℃. You alo do not want a thermometer that gives different readings when you measure several times in a row. Other features a good thermometer must have:

  • Easy to use
  • Easy to clean
  • Fast reading
  • To read both Celsius and Fahrenheit

No 1. Best rectal thermometer for newborns & infants by DigiHealth

best rectal baby thermometer

The Baby Thermometer from DigiHealth - ($6.99) is thermometer is a digital thermometer used mostly for newborns, infants, and toddlers.

  1. It has an easy to read, large screen with an accuracy of 0.2℉ or 0.1℃.
  2. It shuts off automatically to save battery life.
  3. The convenient memory feature helps you to remember baby's last reading.

Undoubtedly the best baby thermometer for its price



No 2. Best baby thermometer for under the arm from Vital Earth

vital earth baby thermometer

This highly accurate digital thermometer from Vital Earth (5.99) reads temperatures rectal, oral and under the arm. This makes it a perfect choice for the whole family.

  1. Vital Earth uses only eco-frienly materials, safe for the environment and for baby.
  2. This thermometer is 98.9% accurate after a reading time of 30 seconds.
  3. An inexpensive thermometer that does the job perfectly.


No 3. The best baby ear thermometer from Braun

Braun ear thermometer

There are several things very special about the Braun ear thermometer ($33.49). Its unique design makes it impossible to insert the thermometer too deep into the ear canal and injure the eardrum.

A light on the screen and a beep will let you know when you put the thermometer in the proper positioning. Other unique features:

  1. Pre-warmed tip ensures the most accurate results.
  2. Handy nightlight for readings at night.
  3. Gives you 9 last readings stored in its memory


No 4. Kinsa best baby thermometer for oral use with app

Kinsa oral thermometer


You must have heard the saying: There is an app for everything! And yes, the best baby monitor connects to your phone and has its very own app.

Each family member can create their own profile and track their health history. Just open the app on your phone to share this information with your doctor.

The Kinsa Smart Stick Digital thermometer ( $19.47) is compatible with almost all iOS and Android smartphones.

  1. You need no batteries as it is powered by your phone.
  2. The average reading takes 10 seconds.
  3. Approved by FDA and recommended by pediatricians.

  No 5. Non-contact baby forehead thermometer by OCCObaby.

Occo Baby forehead thermometer

One of the most advanced thermometers for babies is the OCCOBABY forehead thermometer ($36.80) that measures a baby's temperature using an ultra-sensitive sensor. It is a noninvasive way to check for fever because you do not need to insert it in the mouth, ear or rectum of your child.

  1. You can also measure baby's bath water, his food and the room temperature with this thermometer.
  2. Reads super fast, very accurate and are FDA approved. 
  3. Has a convenient silent mode switch for readings when your child is asleep


Different types of baby thermometers


Rectal baby thermometer

To measure your newborn's temperature you will need a rectal thermometer that you can insert into baby's rectum. Rectal thermometers will give the most accurate reading. This has nothing to do with the type of thermometer but the part of the body where you measure it.

For new mothers, it may appear a scary ting to do, to insert a thermometer in baby's rectum. But believe me, if you do it correctly your infant will hardly notice it. The newest rectal thermometers come with a flexible tip so it is safe and painless for the baby.


Auxiliary baby thermometer

The temperature meassured under the arm is less high than readings taken in the mouth, rectum, or the ear. This is because it is the only place the thermometer is outside the body. To measure is auxiliary is simple, just put the thermometer under your kid's armpit, and close the arm snugly over the thermometer. Wait at least 3 to 4 minutes to read the result. With a temperature equal to or higher than. 37.4°C (99.2°F) your child has a fever.


Oral baby thermometer

For children of 4 or 5 years of age, this method is recommended as the most reliable way of measuring the temperature. It is surely more accurate than taking the temperature in the ear or under the armpit. Make sure you clean the thermometer before use according to the directions.

To measure the temperature put the end of the thermometer under the tongue and tell your child to close the lips around it. Wait until your hear the beeper and remove it so you can read the temperature on the screen. Please note, never use to use an old fashioned glass thermometer. They are very dangerous as they can easily break when a child accidentally bites on it.


Tympanic or ear thermometer

A tympanic thermometer or baby ear thermometer has to be placed in the baby's ear canal. It uses infrared light to measure the temperature emitted from the tympanic membrane also know as the ear drum.

Often using an ear thermometer can be hard for a feverish baby. To keep the child sitting still the time you need to get a correct reading is difficult. You will want a thermometer that reads quickly. If used correctly, the tympanic thermometer is able to give an accurate reading in as little as 2 seconds.


Forehead (no touch) baby thermometer

This thermometer uses advanced infrared technology to scan the temple from a distance of 2,5 cm.

The No Touch measures the temperature of the infrared heat given off by the arterial blood supply under the temple skin. This infrared thermometer is ideal if you don't want to wake your child to take its temperature.


Baby thermometer Fever chart

Your child has a fever when the temperature is:

  • Rectally measured: higher than 38°C (100.4°F)
  • Orally measured: higher than 37.5°C (99.5°F)
  • Auxiliary measured higher than 37.3°C (99.1°F)
  • Tympanicaly measured higher than 38°C (100.4°F)


Which Baby thermometers should you not use?


  1. The old fashioned glass thermometers are no longer recommended because they can easily break or leak dangerous and toxic mercury. If you still have a mercury thermometer get rid of it, advises the American Academy of Pediatrics (AAP). There are much safer thermometers on the market nowadays.
  2. The plastic strip thermometer contains (thermochromic) liquid crystals.These liquid christals change color with different temperatures. Put on baby's forehead for 15 seconds, a change in color will indicate the temperature. These strips are inexpensive but also the least accurate making them not the best baby thermometer for a child.
  3. Pacifier thermometers are digital thermometes housed in a silicone pacifier. This method works only with a baby that will keep a pacifier in his mouth for at least 2 to 3 minutes without moving. You need to check these thermometers before each use, as harmful components may leak out of the pacifier if a child bites on it.

Source: How to take a child's temperature



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