Continuous Glucose Monitors (CGMs) use a small sensor inserted beneath the skin to measure glucose levels continuously. This provides real-time data, allowing users to make informed decisions about diet, activity, and medication. Since the sensor’s adhesive is designed to remain securely attached for up to two weeks, safe removal is a routine procedure. Understanding the correct technique is important to prevent skin irritation, discomfort, and minor injury.
Essential Preparation Before Removal
A smooth sensor removal process requires careful preparation and gathering the necessary materials to loosen the medical-grade adhesive. Preparing the area beforehand reduces the potential for skin trauma and pain. Have adhesive remover wipes or sprays, such as TacAway, Uni-Solve, or Detachol, readily available, as these products break down the strong adhesive bond. Mild soap, warm water, and a soft cloth will also be needed for the final cleanup.
Applying warmth and moisture shortly before removal is an effective technique for weakening the adhesive. Taking a warm bath or shower for several minutes helps relax the skin and soften the adhesive bond. Alternatively, gently apply a medical adhesive remover to the edges of the sensor patch a few minutes prior to removal. This allows the solvent to seep underneath and dissolve the glue, making the process easier on the skin.
Step-by-Step Guide to Sensor Removal
Removing the sensor requires a deliberate and gentle technique to minimize the pulling sensation on the skin. Stabilize the skin around the sensor patch with one hand, gently stretching it taut and pushing it down away from the adhesive edge. This counter-pressure reduces the strain as the patch is lifted.
Locate an edge of the adhesive patch and begin peeling it back very slowly and at a low angle. Pull the patch parallel to the skin rather than straight up. This “low and slow” method decreases the force applied to the skin, helping prevent skin stripping. If resistance or discomfort occurs, pause the peeling process immediately.
Use an adhesive remover wipe and slide it under the edge of the patch as you continue to peel it back. The remover dissolves the adhesive contact, facilitating separation from the skin. If the device uses a separate transmitter, follow the manufacturer’s instructions for detaching the reusable transmitter before disposal. Place the used sensor and its applicator into their original packaging or a designated sharps container for safe disposal, following local guidelines.
Post-Removal Skin Care and Adhesive Cleanup
After the sensor is removed, a ring of sticky residue often remains on the skin. To clean this adhesive, apply a generous amount of adhesive remover and allow it to sit for a few seconds to saturate the residue. Household oils, such as baby oil or mineral oil, can also be used as a natural alternative. Gently rub the sticky area with a cotton pad or soft cloth until the residue is lifted, avoiding vigorous scrubbing that could damage the skin.
Once the adhesive is gone, wash the area thoroughly with mild soap and warm water to cleanse the skin of any residue. Pat the site dry with a soft towel and inspect the skin for signs of irritation, such as redness or minor bruising. If the skin is mildly irritated, applying a gentle, fragrance-free moisturizer can help soothe the area. For significant inflammation, a small amount of physician-recommended hydrocortisone cream may be used. Always select a new location for the next sensor to ensure the recently used site has time to fully heal.