Dexcom help
12 step-by-step Dexcom guides, written in plain language. Pick the problem that matches yours.
Also browse by topic: Electronics, Phones & Tablets
- How do I add a Dexcom glucose monitor to an iPhone?Someone wants the step-by-step process to add or pair a Dexcom continuous glucose monitor with an iPhone.Open
- How do I fix a Dexcom G7 Sensor Failed notification?A Dexcom G7 continuous glucose monitor shows a Sensor Failed notification and stops providing readings on the phone or receiver app.Open
- How do I fix a Dexcom G7 pairing failure that says Connection unsuccessful?A Dexcom G7 sensor fails to pair with a phone and shows Connection unsuccessful, sometimes asking to keep the sensor in close range.Open
- How do I fix a Dexcom G7 sensor that loses connection overnight with a Tandem t:slim X2?After changing a Dexcom G7 sensor, overnight alerts or a red X on a Tandem t:slim X2 can appear when the sensor lifts or CGM data is lost.Open
- How do I get a Dexcom G7 sensor to work with an Omnipod 5 system?A new Dexcom G7 sensor will not communicate with an Omnipod 5 system after older G5 prompts were removed, and the G7 never appears for pairing.Open
- How do I order a Dexcom continuous glucose monitoring system?Someone is trying to order a Dexcom CGM system and needs the correct official path for prescription, insurance, or self-pay purchase.Open
- How do I pair a Dexcom receiver with a sensor that already works on iPhone?A new Dexcom sensor is giving readings and alerts on an iPhone 15, but the separate Dexcom receiver shows no readings or alerts and still needs to be paired or started with the sensor.Open
- How do I replace Dexcom sensors that failed before the 15-day wear period?Two continuous glucose monitor sensors stopped working before the normal 15-day wear period and need to be replaced.Open
- What should I do if a Dexcom G7 sensor fails after a few days?A Dexcom G7 sensor stopped working after about three days, may show Sensor Failed, and insurance timing may block filling the next sensor early.Open
- What should I do if a Dexcom G7 sensor fails soon after pairing?A Dexcom G7 sensor was applied and paired, then reported a sensor failure within about five minutes and may ask to replace the sensor.Open
- What should I do if a Dexcom transmitter or receiver will not charge or power on?A Dexcom transmitter or receiver has stopped charging and will not power on.Open
- Why does a Dexcom G7 say sensor not found after applying a new sensor?A new Dexcom G7 sensor was applied, but the app or reader shows a sensor not found message and will not pair.Open