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Using Dexcom ONE in the Long Run

What do I do if my Dexcom ONE applicator won't come off?

Last Updated · November 3, 2022

If the Dexcom ONE applicator gets stuck, don’t panic. Simply remove the applicator and sensor following these instructions:

How to remove applicator

  1. Gently peel off adhesive patch with applicator attached
  2. Check insertion site to make sure the sensor is not left in the skin
  3. Do not reuse applicator

Contact the Dexcom support team at

5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system, from getting started, your first 10 days, to using Dexcom ONE in the long run.

Step 1: The basics of CGM
Step 2: Getting started
Step 3: Your first 10 days
Step 4: Using Dexcom ONE in the long run
Step 5: Understand your Diabetes trends