Skin irritation from a CGM can occur for a few reasons:
Adhesive sensitivity: Some people react to the glue or materials used in the sensor patch or tape.
Friction or moisture: Sweat, movement, or humidity can cause skin chafing under the patch.
Improper site preparation: Applying a sensor to oily, damp, or irritated skin can increase the chance of redness or itching.
You may notice:
Redness or small bumps around the adhesive area
Itching, dryness, or mild burning
These symptoms are generally mild and fade within a few days after removing the CGM.
How to Prevent Irritation
Try these steps to minimize discomfort:
Clean and dry the skin before applying your sensor - use alcohol wipes to sterilize the area
Choose a new site each time you replace your CGM to give your skin time to recover.
Check for allergies - if you suspect an adhesive allergy, consult your healthcare provider.
Your doctor can help determine whether you’re having an allergic reaction and suggest alternative adhesives or medical treatments.