Top 10 Best infant rectal thermometer in 2026

Last Updated - 6/15/2026

🏆Best Choice

Frida Baby

Frida Baby 3-in-1 Rectal, Underarm & Oral Thermometer for Kids, Digital Baby Thermometer for Infants, Toddlers, & Kids, Quick & Accurate Temperature Check, Includes Carrying Case for Storage

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•ACCURATE FOR ALL AGES: Designed for infants, toddlers, and kids, this thermometer delivers reliable readings whether used rectally, orally, or under the arm, adapting as your child grows.
•TRAVEL-READY STORAGE: Includes a compact carrying case, making it easy to keep the thermometer clean and protected when you’re on the go or storing it at home.
•HYGIENIC & EASY TO CLEAN: The smooth, waterproof design allows for quick and thorough cleaning between uses, helping to maintain safe hygiene standards for your family.
•GENTLE & COMFORTABLE: Flexible tip and ergonomic shape provide comfort for sensitive newborns and wiggly toddlers, reducing stress for both child and parent during use.
•MEMORY RECALL FEATURE: Easily track your child's temperature trends with a built-in memory function that stores previous readings for added peace of mind during illness.

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$19.97

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Boncare

Boncare 10 Seconds Oral Thermometer for Adults and Kids - Accurate & Safe Rectal Digital Thermometer for Baby with Fever Alarm (Light Blue)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Safe Thermometers for Adults and Babies: Boncare thermometer comes with a soft silicone tip and a reliable stainless - steel probe. It's designed for oral, rectal, or axillary use, making it suitable for infants, children, adults, and dogs. It offers great convenience and ensures safety for you and your family.
•Accurate and Fast Reading: This digital thermometer uses the latest and most advanced sensor probe and takes only about 10 seconds to get a reading. Its temperature - reading function has been clinically tested, enabling it to accurately detect fever. Thus, it can assist you in deciding whether you need to rest or seek medical care.
•LCD Screen Display: Our baby thermometer features a highly legible LCD screen. It comes with a beeper alarm for notification, a memory display function to recall last reading, and an auto - shut - off mechanism for energy conservation. Moreover, it allows you to easily switch between ℉(Fahrenheit) and ℃ (celsius).
•Hygienic and Portable Design: The waterproof tip of the mouth thermometer makes cleaning it hygienically a breeze. You can wipe it with water and clean it with medical alcohol either before or after each use. It's lightweight and portable, and comes with a storage case, so you can use it both at home and on the go whenever the need arises.
•Note: Before using the health care thermometer, carefully read the product manual. Start measuring when “Lo℉” shows up. To ensure the accuracy of the measurement, avoid touching the probe with your hands or other hot objects prior to taking the temperature.

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$6.99

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Safety 1st

Safety 1st 3-in-1 Nursery Thermometer, Analog

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Accurate reading in 30 seconds (°F/C)
•3 modes of use: oral, rectal, or underarm
•Beeps when reading is complete
•Flexible tip for comfort

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$4.99

$6.49

-23%

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Vicks

Vicks SpeedRead Digital Thermometer for Baby, Kids & Adults, Color-Coded Readings, Oral, Baby Rectal Thermometer or Under The Arm, Water Resistant

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•A century of powerful relief: At Vicks, we believe everyone deserves a touch of care; you can rely on our line of digital thermometer for adults, kids and babies to provide quick, accurate results when you need them most
•Versatile: With an 8-second result, it’s ideal as an adult thermometer while also serving infants, toddlers, and kids; SpeedRead works orally, rectally, or under the arm as digital baby thermometers
•Quick, accurate results: This Vicks Thermometer provides accurate, simple readings in only 8 seconds, so you can get results quickly; this oral thermometer also has a memory feature that recalls and displays last temperature taken
•Easy to read infant thermometer: The color coded Fever InSight helps you understand temperature readings at a glance; a green display suggests a normal temperature, yellow is an elevated temperature and red is a high temperature
•Special Features: Vicks digital thermometers are water resistant for easy, thorough cleaning, and have an automatic shut-off for longer battery life; plus, it includes a battery and has a limited 1 year warranty

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$9.89

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Boncare

Boncare 10 Seconds Digital Thermometer for Adults and Kids - Accurate & Safe Rectal Thermometer for Baby with Fever Alarm, Oral Thermometer FSA HSA Eligible (Dark Blue)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Safe Thermometers for Adults and Babies: Boncare thermometer comes with a soft silicone tip and a reliable stainless - steel probe. It's designed for oral, rectal, or axillary use, making it suitable for infants, children, adults, and dogs. It offers great convenience and ensures safety for you and your family.
•Accurate and Fast Reading: This digital thermometer uses the latest and most advanced sensor probe and takes only about 10 seconds to get a reading. Its temperature - reading function has been clinically tested, enabling it to accurately detect fever. Thus, it can assist you in deciding whether you need to rest or seek medical care.
•LCD Screen Display: Our baby thermometer features a highly legible LCD screen. It comes with a beeper alarm for notification, a memory display function to recall last reading, and an auto - shut - off mechanism for energy conservation. Moreover, it allows you to easily switch between ℉(Fahrenheit) and ℃ (celsius).
•Hygienic and Portable Design: The waterproof tip of the mouth thermometer makes cleaning it hygienically a breeze. You can wipe it with water and clean it with medical alcohol either before or after each use. It's lightweight and portable, and comes with a storage case, so you can use it both at home and on the go whenever the need arises.
•Note: Before using the health care thermometer, carefully read the product manual. Start measuring when “Lo℉” shows up. To ensure the accuracy of the measurement, avoid touching the probe with your hands or other hot objects prior to taking the temperature.

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$7.69

$8.99

-14%

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Safety 1st

Safety 1st Rapid Read 3-In-1 Thermometer, Aqua, One Size

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Accurate reading in 8 seconds
•3 modes of use: as an oral, underarm, or rectal thermometer
•Beeps when reading is complete
•Flexible tip for comfort

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$13.21

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Frida Baby

Frida Baby Rectal Thermometer for Babies, Digital Fever Thermometer for Babies, Newborns & Infants, Quick & Accurate Temperature Check, Water Resistant, Clear Case, Memory Holds Last 10 Readings

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•PRECISION FOR PEACE OF MIND: Delivers accurate temperature readings in just 10 seconds, so you can quickly assess your baby's health at any time of day or night.
•MEMORY RECALL FUNCTION: Stores up to 10 previous temperature readings, making it easy to monitor trends during illness or recovery.
•GENTLE, FLEXIBLE TIP: The soft, flexible tip ensures maximum comfort for your baby while providing the most accurate rectal temperature readings.
•WATER-RESISTANT BODY: Designed for easy cleaning under running water, ensuring hygiene after each use.
•PORTABLE PROTECTIVE CASE: Comes with a sturdy storage case to keep the thermometer clean, safe, and ready for travel or home use.
•FSA / HSA ELIGIBLE: This item qualifies for FSA/HSA reimbursement

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$13.97

$16.99

-18%

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Braun

Braun Digital Thermometer, Clinically Accurate, Color Coded Fever Guidance for Baby, Toddlers, Kids & Adults, Oral, Rectal or Underarm use, No 1 Brand Recommended by Pediatricians

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•No. 1 Brand recommended by pediatricians (1): Clinically validated2, the Braun Digital thermometer provides reliable, quick, and accurate reading you can rely on so you can manage your health while at home with confidence
•3-in-1 thermometer suitable for oral, rectal, or underarm use: great for the whole family- infants, toddlers, kids and adults
•Quick and easy to use: Provides a temperature measurement in as fast as 8 seconds Simple, button operation comes ready to use with a battery included, 5 disposable probe covers and a protective cap.
•Color-coded results are easy to read and understand: A large, backlit LCD screen turns green to indicate a normal result, a yellow screen indicates a mild fever is present, and red screen indicates a high fever is present
•Gentle, flexible tip for comfort: This baby thermometer features a small, soft, flexible tip that’s extra gentle so you can comfortably take temperatures orally, rectally, or under the arm

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$17.17

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Easy@Home

Easy@Home Baby Rectal Thermometer with Fever Indicator - Perfect Newborn & Infant Digital Thermometer with LCD Display Reading Body Temperature-Kid and Baby Item with Accurate Fast Reading - EMT-027

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•DIGITAL THERMOMETER FAST/COMFORTABLE READINGS: The Easy@Home Baby Rectal Thermometer provides a lightning-fast reading for kids, toddler, infant, newborns alike. This kid and baby item is designed for rectal use only and features a short, flexible waterproof probe that is more comfortable than other models. The display takes only 10 seconds to register the temperature, featuring a liquid crystal display (safer than a mercury thermometer display that may break).
•FLEXIBILITY AND BETTER ACCURACY: Use infant rectal thermometer to know if your child has a fever. Temperatures from the rectum is the closest way to finding the body's true temperature. Rectal temperatures run higher those form the mouth or armpit (axilla). The generally accepted "normal" temperature reading is 98.6°F/37℃, a temperature, taken rectally, ranging between 97.9-100.4°F is also considered normal.
•EVERLINE INDICATING FEVER TECHNOLOGY: Professional baby thermometer is highly effective and durable. Equipped with Feverline Indicating Technology to instantly and easily identify when a fever is present. After each measurement, the triangular arrow on the display will indicate whether no fever, a slight fever, or a high fever. Record the temperature twice a day (early morning and late afternoon) for best accuracy.
•DISPLAYS FAHRENHEIT OR CELSIUS: ℉ and ℃ are easily switchable. Easy@Home quick-Read Digital Rectal Thermometer. Safety first thermometer with large numbers that can be easily read by both children and the elderly.
•LONG BATTERY LIFE AND DURABLE: Approx. 200 hours of continuous operation or 1 year with 3 measurements per day. Auto shut/off helps save battery life.

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$14.49

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Vicks

Vicks Baby Rectal Thermometer Baby Thermometer for Rectal Temperature, Short and Flexible Tip with Fast Read Times and Large Digital Display

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•RECTAL THERMOMETER FOR BABIES: The short, flexible tip makes this baby thermometer gentle and safe to use for taking your baby's rectal temperature. The large digital display gives a fast, accurate reading so you quickly know if your infant has a fever.
•DIGITAL THERMOMETER: Digital thermometers provide fast, easy to read temperatures so you can tell if you or your child has a fever quickly and accurately. A sick baby or child is never fun, but Vicks digital thermometers make sick days easier to handle.
•VICKS THERMOMETERS: Vicks helps you help your family feel better and get healthy during a cold or the flu. While humidifiers, vaporizers, NyQuil, DayQuil, VapoRub and other cold and flu medications help relieve symptoms, thermometers help you track them.
•VICKS FOR FLU SEASON: A fever can be a symptom of many sicknesses, including colds or ear infections, & fevers are also symptoms of the flu, common in the colder months. A fever can be one of the first signs of sickness, especially in babies & children. LCD display technology
•THE MOST USED THERMOMETERS BY PEDIATRICIANS: Your family's health is important to you & Braun makes digital thermometers you can rely on.

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$9.99

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