Getting Started with Dexcom ONE

Your 5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system.
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Step 3 - Your first days with Dexcom ONE

How to replace your sensor

Making diabetes treatment decisions with your Dexcom system readings*

*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
White overpatch

Need better sensor adhesion?

Add our free overlay patches to your next order.

Our overlay patches can help keeping the sensor well in place on your skin. You can add them for free to your basket with any purchase of a 3-sensor box or with our subscription plans.
Dexcom ONE sensor, receiver and transmitter

Subscribe and save!

Dexcom ONE Flexi Plans

Get all your Dexcom ONE supplies delivered to your door, with automated payments and shipments. The easiest way to enjoy the full-time wear of Dexcom ONE, whilst making the best savings! And without any commitment: you can pause or cancel your subscription at any time.
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Frequent questions about the first 10 days with your Dexcom system

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