To pair your new transmitter after you receive the "Replace Sensor & Transmitter Now" or “Pair New Transmitter” notification, follow the instructions in the images and videos below on how to pair a new transmitter and troubleshooting transmitter issues.

The Dexcom G6 Continuous Glucose Monitoring (CGM) System sends real-time glucose readings automatically to a compatible smart device* or Dexcom receiver. No fingersticks, † no scanning. It is proven to lower A1C, 1-5 and features a 10-day sensor that is easy to use. 6

With Dexcom G7 CGM, a small wearable sensor sends real-time glucose readings every 5 minutes to your smartphone or watch,* so you can easily manage and treat your diabetes.

Buy the Dexcom G6 transmitter for continuous glucose monitoring – a small, water-resistant device that snaps into the Dexcom sensor to track real-time glucose data for better diabetes management.

Dexcom G6 Continuous Glucose Monitoring (CGM) system sends real-time glucose numbers to a smart device* every 5 minutes without fingersticks or scanning, to show where your numbers are heading so you can make better diabetes management decisions.

Try the new wireless Dexcom G7 Continuous Glucose Monitoring device for managing type 1 and type 2 diabetes, our smallest and most intuitive CGM, without finger pricks. GB Dexcom Logo

The Dexcom G6 sensor prevents clinically significant interference from acetaminophen, and readings can be used to make diabetes treatment decisions when taking up to a maximum acetaminophen dose of 1,000 mg every 6 hours.*

From reordering Dexcom CGM sensor replacement and supplies to tutorials and G7 product support, Dexcom can help for a better experience with your CGM.

Dexcom Continuous Glucose Monitoring - Discover smart and simple Continuous Glucose Monitoring. Designed to help diabetes patients keep track of their blood glucose levels with ease. Read about risks and benefits here.

This 1:30 video is a quick display of inserting the sensor with the auto applicator and attaching the transmitter for the Dexcom G6. For detailed instructions on how to use the Dexcom G6 Continuous Glucose Monitoring System, please refer to the user guide at dexcom.com/guides.