A new version of the Dexcom ONE app will be released soon. After the update, your low and high alert settings will be reset. Click here for more information

Product Frequently Asked Questions

We’ve gathered together answers to some of the most common questions. Please check to see if the answer to your question can be found here. If you still have questions, our Customer Service team would be happy to help. You can use the search box to answer your question or browse the list of topics below.

CGM Basics