How do I use Dexcom CGM to make treatment decisions?
With Dexcom CGM, you can make treatment decisions without using your blood glucose (BG) meter.
However, you should keep using your meter to make treatment decisions until you know how Dexcom CGM works for you. Do not rush! It may take days, weeks, or months for you to gain confidence in using your CGM to make treatment decisions.
Work with your healthcare professional to review what works best for you when making treatment decisions.
When to use Dexcom CGM
Use your Dexcom CGM for treatment decisions when you see both a number and trend arrow on your home screen.
When to use your meter
- No number or no arrow: Use your meter for treatment decisions when you are missing a number or trend arrow.
- Your Dexcom CGM readings don’t match your symptoms: You don’t feel right, but your Decom CGM says you’re in target. Use your meter.
When to watch and wait
Don’t take insulin doses too close together. That is called "insulin stacking". Wait at least two hours between doses, or you might go low. If in doubt, consult your HCP on correct insulin dosage.
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