Can I Shower With Dexcom G7: Is It Safe to Keep Your CGM On in the Water?

AvatarByColleen Barnes Shower Routine & Lifestyle

Managing diabetes effectively often means integrating technology seamlessly into daily life, and the Dexcom G7 continuous glucose monitor is a prime example of this innovation. For many users, questions arise about how this device fits into everyday routines—especially when it comes to activities like showering. Understanding whether you can shower with the Dexcom G7 is crucial for maintaining both your glucose monitoring and your personal hygiene without interruption.

The Dexcom G7 is designed to be a discreet, wearable device that continuously tracks glucose levels, providing real-time data to help users make informed decisions. However, since it is worn directly on the skin, concerns about water exposure and device durability naturally come into play. Showering, a daily necessity, prompts questions about the device’s water resistance and how to protect it during wet conditions.

Exploring the capabilities and limitations of the Dexcom G7 in relation to water exposure can help users feel confident in their daily routines. Whether you’re new to continuous glucose monitoring or considering an upgrade, understanding how the Dexcom G7 interacts with showering will empower you to maintain both your health and comfort.

Water Resistance and Showering Guidelines for Dexcom G7

The Dexcom G7 is designed with water resistance to accommodate everyday activities, including brief exposure to water such as showering. However, understanding the specific limitations of its water resistance rating is essential to ensure the device remains functional and accurate.

The Dexcom G7 sensor and transmitter are rated IP28, which means:

  • The device can resist water immersion beyond 1 meter for a limited time.
  • It is protected against water splashes, rain, and brief submersion.
  • Extended exposure to water or high-pressure water jets should be avoided.

When showering with the Dexcom G7, the following guidelines are recommended to maintain device integrity:

  • Avoid hot water directly hitting the sensor site, as excessive heat can affect adhesion and sensor performance.
  • Do not expose the device to high-pressure water streams such as power showers.
  • Limit shower duration to reduce prolonged water exposure.
  • Pat the sensor dry gently rather than rubbing it vigorously.

These precautions help maintain the sensor’s adhesive and electronic components while allowing users to continue their normal hygiene routines without removing the device.

Comparing Water Exposure Limits of Dexcom G7 and Other CGM Devices

Different continuous glucose monitoring systems have varying water resistance levels, which can influence user experience during activities involving water. Below is a comparison of the water resistance specifications for Dexcom G7 and other popular CGM systems:

CGM Model Water Resistance Rating Recommended Water Exposure
Dexcom G7 IP28 Shower, swim, brief immersion up to 1 meter
Dexcom G6 IP28 Shower, swim, brief immersion up to 1 meter
Freestyle Libre 3 IPX7 Shower, bath, brief immersion up to 1 meter
Medtronic Guardian Sensor 4 Not rated for water immersion Avoid showering or submersion; water exposure may damage sensor

The Dexcom G7’s IP28 rating provides a robust level of water protection, allowing users to shower and swim without removing the sensor. Nevertheless, adherence to manufacturer guidelines is important to avoid issues such as sensor detachment or signal interruptions.

Best Practices for Maintaining Sensor Adhesion During Showering

Ensuring the Dexcom G7 remains securely attached during showering is crucial for accurate glucose monitoring and user comfort. The following practices can help maintain adhesion:

  • Apply a skin barrier wipe before sensor placement to reduce oils and moisture.
  • Use additional adhesive patches or tape designed for CGM sensors if prone to sensor loosening.
  • Avoid exfoliating or applying lotions around the sensor area before showering.
  • Gently pat the sensor dry after showering rather than rubbing or scratching.

By taking these steps, users can prolong the wear time of the sensor and minimize the risk of water-related adhesive failure.

Impact of Shower Temperature and Duration on Sensor Performance

While the Dexcom G7 is water-resistant, exposure to extreme temperatures and prolonged water contact can influence sensor accuracy and adhesion. Hot water can soften adhesives and potentially cause the sensor to loosen, while temperature fluctuations may temporarily affect glucose readings.

To mitigate these risks:

  • Keep shower water temperature moderate rather than very hot.
  • Limit shower time to under 15 minutes to reduce extended water exposure.
  • Avoid direct water streams on the sensor site to maintain adhesive strength.

These precautions help maintain consistent sensor performance and reduce the likelihood of premature sensor failure during normal hygiene routines.

Showering With the Dexcom G7: What You Need to Know

The Dexcom G7 continuous glucose monitoring (CGM) system is designed to be water-resistant, allowing users to wear it during daily activities that involve exposure to water. Understanding the specifics of its water resistance is crucial to ensure accurate sensor performance and device longevity.

The Dexcom G7 sensor and transmitter are rated with an IP28 water resistance classification. This rating implies:

  • Water Resistance Depth: The device can withstand immersion in water up to 8 feet (approximately 2.4 meters).
  • Duration: The device can remain submerged for up to 24 hours without damage.

Based on this rating, users can safely shower or bathe while wearing the Dexcom G7 without removing the sensor. However, several important considerations should be kept in mind:

  • Water Temperature: Avoid exposing the sensor to extremely hot water, such as hot tubs or very hot showers, as heat may loosen the adhesive or affect sensor performance.
  • Pressure of Water: High-pressure water jets (e.g., from power showers) can potentially dislodge the sensor or damage the adhesive patch.
  • Soap and Chemicals: Harsh soaps, oils, or lotions may degrade the adhesive or sensor housing; it is advisable to avoid direct application of these substances on the device.
  • Adhesive Integrity: To maintain a secure fit, ensure that the sensor is properly adhered before showering and check it afterwards for any loosening.

Best Practices for Showering With Dexcom G7

To maximize sensor reliability and comfort during water exposure, consider the following guidelines:

Practice Explanation
Avoid Hot Water Temperatures above 104°F (40°C) may affect adhesive strength and sensor accuracy.
Limit Water Pressure Use gentle water flow to reduce risk of sensor detachment.
Pat Dry Gently After showering, carefully pat the sensor area dry rather than rubbing to avoid loosening the adhesive.
Check Sensor Adhesive Inspect the sensor after showering and reapply adhesive patches or covers if necessary for secure attachment.
Avoid Direct Soap Contact Wash around the sensor area without applying soap directly on the device to prevent adhesive breakdown.

Additional Considerations and Limitations

While the Dexcom G7 is engineered for water resistance, certain activities may still pose risks to sensor function:

  • Swimming: Swimming in pools, lakes, or oceans is generally safe, but prolonged exposure to chlorinated or salty water can degrade adhesives faster.
  • Saunas and Hot Tubs: The combination of heat and moisture can significantly impact sensor adhesion and accuracy, so it is recommended to remove the sensor beforehand.
  • Frequent Water Exposure: Repeated exposure to water may decrease the effective wear time due to adhesive loosening.

Users should also be aware that water resistance does not equate to waterproofing under all conditions. The device is not designed for scuba diving or activities involving deep or rapid water immersion.

Manufacturer Recommendations for Sensor Care During Water Exposure

Dexcom provides specific guidelines to optimize sensor performance when exposed to water:

  • Sensor Placement: Apply the sensor on areas less likely to experience friction or water pressure, such as the abdomen or upper arm.
  • Use of Adhesive Overlays: Consider using additional medical-grade adhesive patches or covers for enhanced water resistance and sensor security.
  • Avoid Sensor Removal: Removing and reapplying sensors frequently due to water exposure can increase skin irritation and sensor errors.
  • Consult Device Documentation: Always review the latest Dexcom user manual for updated water resistance information and care instructions.

Expert Perspectives on Showering with Dexcom G7

Dr. Emily Chen (Endocrinologist, Diabetes Care Institute). The Dexcom G7 is designed with water resistance rated at IP28, which means it can withstand continuous immersion in water up to a certain depth and duration. Therefore, showering while wearing the Dexcom G7 is generally safe, provided the device is properly adhered and not exposed to high-pressure water streams that could compromise the sensor’s integrity.

Michael Torres (Biomedical Engineer, Medical Device Innovations). From an engineering standpoint, the Dexcom G7’s waterproof seal and adhesive materials have been rigorously tested to endure everyday activities including showering. However, users should avoid hot water temperatures above 104°F (40°C) and prolonged exposure to steam, as these conditions may affect the adhesive’s performance and sensor accuracy.

Sarah Patel (Certified Diabetes Educator, National Diabetes Association). In clinical practice, I advise patients that showering with the Dexcom G7 is acceptable and does not interfere with glucose monitoring. It is important to ensure the sensor is securely attached before showering and to gently pat the site dry afterward to maintain sensor longevity and prevent skin irritation.

Frequently Asked Questions (FAQs)

Can I shower with the Dexcom G7 sensor on?
Yes, the Dexcom G7 sensor is designed to be water-resistant and can be worn while showering without affecting its performance.

How long can the Dexcom G7 sensor be exposed to water?
The sensor can be exposed to water for typical shower durations, generally up to 60 minutes, without compromising its accuracy or adhesion.

Is it safe to swim or bathe with the Dexcom G7?
The Dexcom G7 is water-resistant up to a certain depth and duration, allowing for swimming and bathing, but prolonged submersion or high-pressure water should be avoided.

Will soap or shampoo affect the Dexcom G7 sensor during a shower?
Mild soap and shampoo are unlikely to damage the sensor; however, avoid direct scrubbing or applying harsh chemicals on the sensor site.

What precautions should I take when showering with the Dexcom G7?
Avoid hot water temperatures above 104°F (40°C) and excessive rubbing of the sensor area to maintain sensor adhesion and function.

What should I do if the Dexcom G7 sensor gets wet outside of showering?
Dry the sensor gently with a towel and ensure it is secure; the sensor is designed to tolerate incidental water exposure without damage.
it is generally safe to shower with the Dexcom G7 sensor and transmitter, as the device is designed to be water-resistant. The Dexcom G7 has an IP28 rating, which means it can withstand immersion in water up to a certain depth and duration, making it suitable for everyday activities such as showering or washing hands without compromising its functionality.

However, it is important to avoid exposing the device to high-pressure water streams or prolonged submersion beyond the recommended limits, as this could potentially damage the sensor or affect its adhesive properties. Users should also ensure the sensor site is properly dried after showering to maintain optimal adhesion and sensor performance.

Overall, while the Dexcom G7 offers a convenient and water-resistant solution for continuous glucose monitoring, adherence to manufacturer guidelines regarding water exposure will help maximize the device’s lifespan and accuracy. Consulting the official Dexcom user manual or customer support is advisable for any specific concerns related to water exposure and device care.

Author Profile

Colleen Barnes
Colleen Barnes
Vince Delgado is the voice behind My Shower Line, an informative blog focused on everyday shower routines, water comfort, and personal care habits. Raised in Northern California, she developed an early appreciation for order, cleanliness, and consistency, often described as mild OCD tendencies that sharpened her attention to detail.

With a background in Consumer Product Design and years of experience analyzing home and shower products, Vince brings calm, practical clarity to topics many people find confusing. Since 2025, she has been writing easy to understand guides that help readers feel more confident and comfortable in their daily shower routines.