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Become familiar with your Dexcom G5 Continuous Glucose Monitoring (CGM) System

Get started with these free Dexcom resources and guides to help you get the most value out of your Dexcom Continuous Glucose Monitoring (CGM) System.

Watch and learn during your first week

Monitor how your daily activities, actions, and circumstances affect your glucose levels. Take advantage of these tools and resources during your first week as you become more comfortable with your Dexcom G5 CGM System. 

Learn how to get started with your Dexcom CGM System


Start sharing CGM data with your healthcare provider and track your progress between visits using Dexcom CLARITY®

Learn how to add the Dexcom G5 Mobile app to your already set up receiver

Ongoing support from your Dexcom Team

Dexcom CARE

Call Dexcom CARE and speak with a Diabetes Coach at 1-877-339-2664.

Global Technical Support

Technical troubleshooting and specialists are available 24/7 at 1-844-607-8398.

Interested in getting a Dexcom CGM System?

If you are ready to see glucose in a whole new way with Dexcom CGM, provide us with a few details so we can get you started.


The Dexcom G5 Mobile Continuous Glucose Monitoring (CGM) System (“G5”) is a glucose monitoring system indicated for the management of diabetes in persons age 2 years and older. The G5 is designed to replace fingerstick blood glucose testing for diabetes treatment decisions.The G5 also aids in the detection of episodes of hyperglycemia and hypoglycemia. The G5 is intended for single patient use and requires a prescription. CONTRAINDICATIONS Do not rely on the G5 CGM data if you have recently taken acetaminophen. Remove the G5 (sensor, transmitter, and receiver) before Magnetic Resonance Imaging (MRI), Computed Tomography (CT) scan, or high-frequency electrical heat (diathermy) treatment. The G5 is MR Unsafe. Do not bring any portion of the G5 into the MRI environment. WARNING CGM-based diabetes treatment decisions are only approved with the G5, not previous generations of Dexcom CGM systems. Calibrate at least once every 12 hours using a fingerstick. If your G5 does not display a sensor glucose reading and an arrow, or if you are getting inaccurate or inconsistent readings, take a fingerstick. If your glucose readings and alerts do not match your symptoms or expectations, take a fingerstick to confirm. Failure to do so may lead to hyperglycemia or hypoglycemia. The G5 is not approved for use in pregnant women, persons on dialysis or critically ill persons. If a sensor breaks and no portion of it is visible above the skin, do not attempt to remove it. Seek professional medical help if you have infection or inflammation on or near the sensor insertion point. Report broken sensors to Dexcom Technical Support. Sensor placement is not approved for sites other than under the skin of the belly (ages 2 years and older) or upper buttocks (ages 2-17 years). To “share” data, you need an internet connection and a separate compatible smart device running the Dexcom Follow App. Contact Dexcom Toll Free at 877-339-2664 or for detailed indications for use and safety information.