10 Best Oral Thermometers

A woman holding the oral thermometer

When you’re feeling under the weather, trusting in one of the best oral thermometers can be the difference between a long-lasting cold and a passing sniffle. Catching a fever early can help with diagnosis and let you get the proper medical attention faster, making thermometers a long-trusted tool for identifying a raising body temperature. Let’s take a look at my selection for the best thermometers around.

Featured Products

Electronic Thermometer by Welch Allyn
Electronic Thermometer by Welch Allyn

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Welch Allyn

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Clinical Digital Thermometer by Generation Guard
Clinical Digital Thermometer by Generati

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Generation Guard

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1. Electronic Thermometer by Welch Allyn

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This fantastic piece of equipment is definitely one of the best oral thermometers you can buy. At the same level of quality as hospital equipment, it makes for a perfect choice for people who need the most accurate measurements. If pinpoint accuracy and professional-grade quality are important to you, you can’t get better than this.

Pros:
  • Can last for years
  • 25 covers included
  • Very sturdy construction
Cons:
  • Instructions require computer access

2. Clinical Digital Thermometer by Generation Guard

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For those who prefer a simple digital thermometer, this makes for a great choice. It remembers your last temperature reading, which makes comparing day-to-day fluctuations easy. It can also change between Celsius and Fahrenheit, so you don’t have to worry about tricky conversions.

Pros:
  • Waterproof, making it easy to clean
  • Comes with a fever alarm for overly hot temperatures
  • Suits the whole family–even pets!
Cons:
  • Beeping indicator is sometimes unclear

3. Oral Thermometer by Vive

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This oral thermometer is very simple to use, and is intuitive right out of the box. Its display is easy to read, so you won’t have to struggle to make out what the readings say. It’s also very simple to clean and prepare for the next use. Its energy-saving feature turns off the thermometer’s display when left idle, which is perfect for those who are forgetful with their gadgets.

Pros:
  • Fast results
  • Flexible tip
  • Comes with a one-year warranty
Cons:
  • Occasionally inaccurate

4. Digital Medical Thermometer by Enji Prime

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This thermometer can be used orally, but it’s also designed for rectal or armpit measurement, giving this thermometer versatile functionality. It also comes with a plastic case to keep it sterile during storage. The flexible tip makes it suitable for infant and pet use.

Pros:
  • Flexible tip
  • Very user friendly
  • Great price
Cons:
  • Takes a while to get a reading despite being advertised at 10 seconds

5. Digital Medical Thermometer by iProvèn

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The flexible tip on this thermometer has great flexibility. This makes it easy to take oral and rectal readings, as well as taking the temperatures of young children and babies. It’s large display makes it very easy to read and has a distinct beep once it’s finished. Its build feels durable, which is perfect for children who’d rather not have their temperatures taken!

Pros:
  • Reports temperatures quickly
  • Good battery life
  • Great for travel with its portable design
Cons:
  • A little expensive

6. Smart Stick Digital Thermometer by Kinsa

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One of the more unique products in this selection, this thermometer can be attached to an iPhone or Android device. The temperature is taken and recorded via the thermometer’s app for accurate readings and even medical advice for high or low temperatures. This makes for a highly advanced thermometer, which is especially useful for those who are never caught without their smartphones!

Pros:
  • Can be used orally or underarm
  • Keeps a history of all measurements
  • App comes with medication reminders
Cons:
  • Phone compatibility is quite narrow–check before buying!

7. Digital Thermometer by iProvèn

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This particular thermometer is programmed with advanced algorithms to get the best readings. Accompanied with its ability to remember the last temperature measured, this makes for an effective tool for tracking changes in the body.

Pros:
  • Very flexible tip
  • Feels well-built
  • Comfortable to use
Cons:
  • Slow to take measurements

8. FDA Approved Digital Thermometer by Gear District

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If an official stamp of approval is important to you, this is the best oral thermometer you can get. As the name suggests, it’s approved by the FDA, but also has the blessings of the CE and ISO as well. It’s very easy to use and read, and comes with an automatic turn-off function to save the battery when left idle.

Pros:
  • Easy to hold
  • Precise readings
  • Comes with 10 disposable probes
Cons:
  • Hard to read screen in dim lighting

9. Digital Thermometer by Care Touch

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This thermometer takes a fast and accurate reading, so you’ll never be left waiting to see the results. Its fever alarm alerts you when it detects a high temperature, which can help you know when to seek medical help. The thermometer also comes with 50 probe covers included, with an option to buy 100 more when those run out.

Pros:
  • Large screen
  • Comes with protective case
  • Excellent customer service
Cons:
  • Hard to keep under the tongue

10. Digital Medical Thermometer by Nuvertex

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This thermometer is very accurate, which is ideal for recording precise temperature readings over time. Unlike other devices, this one can be used as a basal thermometer to track BBT. It also comes with a helpful cold and flu remedy digital guidebook, so you can better take care of yourself or others when illness strikes.

Pros:
  • Very durable
  • Easy to clean
  • Simple to use with responsive buttons
Cons:
  • Takes a while to get an accurate reading

Best Oral Thermometer Features to Look For

Thermometers can often do more than just record temperature. They sometimes have additional features which makes them even more useful. Here are a few features to look for when picking a thermometer.

  • Speed

If you want to record multiple temperatures over a short span of time, it’s important to get results as fast as possible. Make sure to note which thermometers advertise a quick result, or list a response time within the specifications. Some of the faster thermometers can get a reading within eight to ten seconds.

  • Fever Alarm

After receiving a temperature reading, it’s important to know the signs of a fever on the rise. Some thermometers will come with an alarm that sounds when a fever is detected. If you’re always forgetting the ideal body temperature range, this is a great feature to have in a thermometer.

  • Temperature Memory

If you want to take multiple readings, it’s a good idea to pick a thermometer that remembers the previous temperatures it measured. Some thermometers will only remember the last reading, while others will have a more extensive history. Even a basic history  is useful for comparing temperatures to check if a fever is either on the rise or in decline.

  • Multiple Applications

All of the thermometers covered here can be used orally. However, most of them are designed for rectal and auxiliary usage too. If you want a multi-purpose thermometer that can cover all the bases, the best oral thermometer to choose would be one that advertises compatibility with all measuring methods available.

How to Use Oral Thermometers

While oral thermometers are simple to use, there are some steps you can take to get the most out of them. Here are a few tips on getting the most out of your thermometer.

  • Initial Mouth And Thermometer Temperature

Before taking your temperature, make sure both your mouth and your thermometer aren’t hot or cold, to begin with. Don’t eat or drink anything five minutes before taking your temperature. Try not to breathe too heavily through your mouth before using the thermometer. If you keep the thermometer in a cool place, rinse with warm water before use.

  • Placement

Misplacing the thermometer may result in erroneous readings, so be sure you’re using it correctly. Do not simply place the thermometer in your mouth! Tuck it under the tongue, and try to get it as close to the center as possible. You’re aiming to get it quite far back, adjacent to your molars, where the heat pockets are located. This will give the most accurate measurement possible via oral means.

  • Reading Temperatures

Once you’ve kept the thermometer under your tongue for long enough, it might beep to signal a complete reading. Otherwise, you may need to use your judgment to decide when enough is enough. Either way, once you have your temperature, compare it to the regular body temperature range between 97°F (36.1°C) and 99°F (37.2°C). If the temperature is at 100°F (37.7°C) or above, seek medical help.

  • Getting Aid

Consider medical alert systems for older adults. The onset of a fever can be very dangerous to some and it’s crucial to get proper help right away. It’s worth having a plan ready before a fever strikes so that a sudden bout of the flu won’t catch you off guard. 

Find the Best Oral Thermometer for You

Oral thermometers may seem simple, but they can come with a wide variety of features. From fever alarms to compatibility with all methods of measurement, there’s a suitable thermometer for everyone. Pick out the one that suits you best, so you’re ready for the next time illness strikes!

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