Best Rectal Thermometers of 2025

"After my baby's vaccinations, her pediatrician recommended a rectal thermometer to check for fever. I found the Frida Baby Rectal Thermometer to be a fantastic choice. It provides fast, accurate results in about 10 seconds, and its baby-friendly design makes it safe and simple to use. Plus, its small size is great for travel."

"As a pediatric ER nurse, I understand the importance of checking a baby's temperature rectally, especially in the first couple of months. This thermometer is incredibly dependable. I appreciate the shaped tip that ensures I only go in so far, making it fit perfectly to my baby's bottom."

"I bought this thermometer because the other brand we had just wasn't accurate. It's very user-friendly and gives fast readings. My little one doesn't even seem to notice, which is wonderful. The temperature readings appear to be very accurate!"

"I find the Boncare thermometer to be incredibly fast and convenient. It works wonderfully and is easy to read. Truly an excellent product!"

"We added this thermometer to our animal first aid kit, and it has proven to be accurate and reliable. It’s straightforward to read, though I wish it performed better in bright sunlight. Overall, it has worked really well!"

"I recently bought the Boncare 10 Second Thermometer and I'm quite impressed. It delivers quick and accurate readings, which is super handy during cold and flu season. The sleek dark blue design is a nice touch, but I was a bit disappointed that it didn’t come with the plastic covers for hygiene."

"After having my daughter, I realized that taking a rectal temperature was a concern I initially dreaded. However, the Vicks thermometer has made this task incredibly simple. It's true that some may opt for more expensive alternatives, but this thermometer is both effective and affordable. Its design prevents over-insertion, and I truly appreciate how quickly it provides a reading, especially when my little one is restless."

"I’ve been using this thermometer for my twin boys and I must stress the importance of a couple of things. Gentle washing is a must, and I’ve learned to keep spare SR41 batteries on hand. When my little one has a fever, knowing I have a reliable thermometer has been a lifesaver. The quick and accurate readings provide peace of mind, and I just can't recommend this thermometer enough!"

"With my first child, I used this thermometer and found it to be incredibly user-friendly. The design ensures I can't insert it too far, giving me confidence as a first-time mom. It even has a backlit feature for nighttime readings, which is fantastic. Now I’m buying another one for my second child, because it’s just that good!"

"I found the iProven thermometer at my local pharmacy and was drawn to its clean packaging. After using it, I was impressed by how quickly it provided readings, and the loud beep was great for my husband who has hearing issues. The smiley face indicator was a nice touch for understanding temperature ranges. Overall, I believe it was worth the price and I would recommend it to friends and family!"

"As someone who values health monitoring, I recently bought the iProven Adult Digital Thermometer. I love its versatility—it can be used orally, rectally, or under the arm. The one-button operation makes it super easy to use, and I appreciate the accuracy and quick readings it provides. The memory function is perfect for tracking temperatures over time. I highly recommend this thermometer for anyone needing reliable health tracking!"

"After extensive research, I decided on the iProven thermometer due to its high ratings. It works reliably, and the instructions are straightforward. I reached out to customer support with some questions, and they responded quickly with helpful information. Their level of support was impressive, and I will definitely consider purchasing more from them in the future!"

“As a first-time parent, that initial fever is terrifying. Using this thermometer was a breeze for my partner and me, even in the middle of the night. Our baby was surprisingly comfortable with the rectal method, which our pediatrician suggested for accuracy. A bit of vaseline helped ease the process. Highly recommend!”

“This thermometer is incredibly straightforward to use, and I appreciate that it provides quick and accurate readings for my infant.”

“I bought three of these thermometers for my two grandsons and myself. Fast and accurate for all the moms!”

“I absolutely love this thermometer. It’s so easy to use, unlike others that leave me confused.”

"After trying out various modern thermometers, I went back to the old school model. It's always accurate and requires no batteries. I bought two for myself and two for my brother, who needs precise readings due to his health condition. The guessing game is over!"

"As a medical professional, I wanted these for home use, but unfortunately, one thermometer is stuck at 101 degrees and the other won't exceed 96 degrees. They turned out to be absolute junk, and I tried testing them too late to return."

"I really appreciate that there's no battery to worry about with this thermometer. It’s a tried and true design that I find easy to use and reliable."

"I absolutely love the high-quality materials used in this product!"

"The stylish design makes it perfect for any occasion."

"These are so comfortable to wear all day long!"

"These digital thermometers are fantastic! They are incredibly easy to use and provide quick temperature readings. I found the instructions very clear, and the quality is impressive. Highly recommend!"

"I recently purchased the Boncare digital thermometer pack, and I love them! They come with batteries installed and are super fast for checking temperature. I tested them against an older thermometer and found them to be very accurate. Definitely a great buy!"

"This product is exactly as described and arrived on time. It seems well made and is a good value for the money!"

"I just wish they included a packing slip in the package, as it came in the manufacturer’s packaging."

"Personally, I wish they would stop using shiny cardboard for all products."

"I found the reading speed to be quite satisfactory, especially compared to the glass mercury thermometers I grew up with. It's not as fast as the instant-read models, but for the price, it’s great."

"I've noticed the temperature can fluctuate by half a degree or one degree with each measurement, but it still provides reliable readings overall."

"This thermometer is perfect for my first aid kit as a college student. It's small, easy to use, and accurate compared to others I've tried. I also like to include some alcohol swabs for cleaning!"