What are the main differences between Dexcom G7 and Dexcom G6?

New features with Dexcom G7
Dexcom G6 features included with Dexcom G7
  1. 60% smaller, all-in-one, discreet# wearable, easier to use with fewer components
  2. 30-minute sensor warm up, the fastest of any CGM on the market**
  3. 12-hour grace period to replace finished sensors for a more seamless transition between sessions
  4. Redesigned and simplified mobile app with Dexcom Clarity integration††,‡‡
  5. Improved alert settings for enhanced discretion
  6. Redesigned optional receiver¶¶ that is smaller with a more vibrant, easier to read display
  7. Indicated for wear on the back of the upper arm for ages 2 years and older or the upper buttocks for ages 2-6 years.
  8. Smaller plastic components and packaging, resulting in less waste than Dexcom G61
  1. No fingersticks/finger pricks,§ scanning or calibration
  2. Real-time glucose readings sent automatically every 5 minutes to a compatible display device
  3. Capable of Integration with the world’s largest connected CGM ecosystem1 (including Apple Watch, Garmin, and other digital health apps)
  4. Remote monitoring, enabling users to share glucose data with up to 10 Followers
  5. Proven Dexcom accuracy and performance4
  6. Only CGM to offer a predictive low alert that can recognize potentially dangerous hypoglycemic incidents before they occur
§Fingersticks required for diabetes treatment decisions if symptoms or expectations do not match readings.
¶¶ Medicare coverage requires use of receiver
*Smart device, sold separately, required to display readings on watch. †Compatible smart devices sold separately. For a list of compatible devices, visit dexcom.com/compatibility. ‡Dexcom G7 can complete warmup within 30 minutes, whereas other CGM brands require up to an hour or longer. ||Results obtained with a prior generation Dexcom CGM System. ¶Separate Follow app and internet connection required. Users should always confirm readings on the Dexcom G6 app or receiver before making treatment decisions. #Compared to a prior generation Dexcom CGM System. **Dexcom G7 can complete warmup within 30 minutes, whereas other CGM brands require up to an hour or longer. ††Healthcare providers can register for Dexcom Clarity at clarity.dexcom.com/professional/ registration. ‡‡An internet connection is required for patients to send their glucose data to Dexcom Clarity via a compatible smart device: dexcom.com/compatibility. Healthcare providers will only be able to view a patient’s glucose data if the patient elects to share it with them through Dexcom Clarity. §§Comparison of NPS scores of Dexcom, Abbott, and Medtronic, Seagrove Survey 2021 Patient Perspectives.
1 Dexcom, data on file, 2022.
2 Beck, RW, et al. JAMA. 2017;317(4):371-378.
3 Welsh JB, et al. J Diabetes Sci Technol. Jun 13 2022:19322968221099879.
4 Dexcom G7 CGM System User Guide. 2022.
5 Managed Markets Insights & Technology, LLC. MMIT Analytics, June 2022.
6 dQ&A US Q1 2021 Diabetes Connections Patient Panel Report. 2021;69-72.

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Are there any changes to alerts for Dexcom G7 compared to Dexcom G6?

Dexcom G7 CGM has new alert sounds and sound options. The new Quiet Mode allows users to override phone settings.

Can I wear my G6 and G7 at the same time?

No. Dexcom recommends using either Dexcom G6 or Dexcom G7, but not both simultaneously.
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