The Dexcom ONE Continuous Glucose Monitoring System

One small device and one simple app to take you one step closer to better diabetes control. 

How does Dexcom ONE work?
  1. The Dexcom ONE Sensor
  2. The Dexcom ONE Transmitter
  3. The Dexcom ONE App on a compatible smartphone
Sensor
The Sensor
  • Measures glucose levels just under the skin
  • Can be used for up to 10 days
  • Is water-resistant (ex: shower, swimming)ˢ
Transmitter
The Transmitter
  • Sends glucose readings every 5 minutes to your compatible smartphone
  • Lasts 90 days - will be re-used across multiple sensors
Phone with app
The App

How to insert your sensor and attach your transmitter

Thanks to the sensor auto-applicator, it only takes the push of a button to insert the sensor's wire in an instant beneath the skin. In a study, 84% of Dexcom G6 users reported painless sensor insertionˣ. 


Where can I wear my Dexcom ONE?

The sensor can be worn either on the abdomen or back of the upper arm.


Person interacting with Dexcom app on a phone
Know with just a glance to your phone

Your glucose level and the trend arrow are displayed in the Dexcom ONE app on your compatible smartphone°. It only takes a look at your phone to get the full picture of your glucose levels & trends.

Woman raising hands to camera to show Zero Fingersticks
Zero fingersticks* or calibrations

Enjoy the freedom of managing your diabetes without having to prick your fingers! Dexcom ONE is designed to eliminate the need for fingersticks*, even for diabetes treatment decisions. Isn't that the best news ever? 

*If your glucose alerts and readings from the Dexcom ONE do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions

Man showing Dexcom app on phone and Dexcom ONE sensor on arm
Glucose readings you can trust

Thanks to the exceptional accuracyˣ of Dexcom ONE , you can make treatment decisions*, like insulin dosing, directly from your current glucose value and trend arrow. Dexcom ONE doesn't require any calibration to deliver accurate readings unlike other systems. Find out more here.

Child sleeping in bed with Dexcom ONE sensor on arm
Optional high and low alerts

Your Dexcom ONE system can alert you whenever your blood glucose falls outside of your preset High and Low glucose levels, so that you can take action. You can customise the alert sound and vibration. Find out more here.

Man applying Dexcom ONE sensor to stomach
Discreet, simple, convenient

The Dexcom ONE sensor can be worn up to 10 days and has a slim profile, making it nearly invisible under clothing. Thanks to the sensor auto-applicator, it only takes the push of a button to insert the sensor's wire in an instant beneath the skin. In a study, 84% of Dexcom users reported painless sensor insertionˣ. Find out more here.

*If your glucose alerts and readings from the Dexcom ONE do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions

Child
Who can use Dexcom ONE?

Dexcom ONE can be used by anyone with type 1 or type 2 diabetes, from 2 years old, including pregnant women. It can help you manage your diabetes whether you are using multiple daily injections or an insulin pump.


Is your smartphone compatible?

In order to use to use the Dexcom ONE app, you first need to ensure that your smartphone's model and operating system are compatible with our app.


Give Dexcom ONE a try!
The Dexcom ONE starter kit

If you're new to the Dexcom ONE Continuous Glucose Monitoring System, this is the place to start. Our starter kit contains a sensor and a transmitter, for a trial up to 10 days. 


Frequently asked questions about Dexcom ONE

° For a list of compatible devices, visit www.dexcom.com/compatibility.

* If your glucose alerts and readings from the Dexcom ONE do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions

ˣ Shah VN, et al. Diabetes Technol Ther. 2018;20(6):428–433.

ˢ Dexcom ONE sensor and transmitter are water-resistant and may be submerged under eight feet of water for up to 24 hours without failure, when properly installed.