See what medications, substances and procedures can affect continuous glucose monitoring accuracy.


Written by: ADCES staff and subject matter expert faculty

February 2024


Interfering Substances That Impact CGM Accuracy

Health care providers play a crucial role in guiding patients with diabetes towards effective management of their condition. One of the most popular and valuable tools is the continuous glucose monitor (CGM), which provides real-time data on glucose levels. Before recommending a CGM to patients, it's essential for health care provider to have a thorough understanding of multiple factors, including possible interfering substances.

These substances, such as certain medications, vitamins or procedures, have the potential to affect CGM accuracy, leading to inaccurate readings and potentially compromising patient care. By recognizing and accounting for these interfering substances, health care providers can ensure more accurate and reliable CGM data, resulting in optimal diabetes management.


CGM Interfering Substances & Procedures

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This site and its services do not constitute the practice of medical advice, diagnosis or treatment. Always talk to your diabetes care and education specialist or health care provider for diagnosis and treatment, including your specific medical needs. If you have or suspect that you have a medical problem or condition, please contact a qualified health care professional immediately. To find a diabetes care and education specialist near you, visit the ADCES finder tool.

ADCES and danatech curate product specifics and periodically review them for accuracy and relevance. As a result, the information may or may not be the most recent. We recommend visiting the manufacturer's website for the latest details if you have any questions.

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