By Taylor Leamey
Some of Dexcom’s continuous glucose monitoring receivers have been recalled due to speaker malfunctions, which can cause you to miss alerts or alarms for dangerous blood sugar levels. According to the Class I recall, there have been 112 complaints globally, with 56 reported injuries, since May 2025.
Missing an alert from your continuous glucose monitor may result in health consequences like vomiting, seizures, loss of consciousness and hypoglycemic or hyperglycemic symptoms.
Certain Dexcom G6, G7, One and One Plus receivers are included in this recall. The One and One Plus receivers are available outside of the US.
Dexcom is one of the most popular continuous glucose monitor brands, and many people with diabetes use Dexcom devices to track their glucose levels in real time.
According to Dexcom’s update, even without the audio output from the speaker, your receiver will still alert you through vibration and visual prompts. However, that’s only so helpful when many people keep their receivers in their pockets or bags. People who use the mobile app for glucose values, alerts and alarms will still be able to do so without interruption.
If you own a Dexcom continuous glucose monitor, here’s what you should do right now
A continuous glucose monitoring system has three parts: the glucose sensor you wear, a transmitter and the small receiver you keep for alerts. The receiver is being recalled, not the sensor you wear, so you shouldn’t expect the readings you get from your device to be inaccurate.
If you use a Dexcom continuous glucose monitor, check the complete list of affected devices for the model and serial number. You can also go to Dexcom’s website to see if your device is affected. These numbers are on the back of your receiver.
If your device is affected, contact Dexcom immediately for a free replacement. Continuous glucose monitors aren’t something you can just stop using, so it’s essential to get in your replacement order as soon as possible. Remember, while you wait, that there’s a chance your receiver speaker isn’t working correctly and you will not be alerted with a sound to spikes or drops in your blood sugar.
You should regularly test the speakers each time you charge your receiver. When you plug the receiver in, the Speaker Test screen will appear for a few seconds. To test your sound, follow the directions on the screen. If it doesn’t beep, then it’s time to contact Dexcom. Remember that it’s important to continue testing your speaker over time. Checking it once doesn’t mean it can’t fail in the future. Even if your device isn’t under recall, this is a good habit to have.
You can also test your receiver’s speaker at any time through the device’s menu. For support during this recall, contact Dexcom technical support at 1-844-478-1600.
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