Continuous glucose monitoring devices interfering substances
| Medication . | Systems affected . | Effect . |
|---|---|---|
| Acetaminophen | ||
| >4 g/day | Dexcom G6 | Higher sensor readings than actual glucose |
| Any dose | Medtronic Guardian | Higher sensor readings than actual glucose |
| Alcohol | Medtronic Guardian | Sensor readings may be higher than actual glucose |
| Ascorbic acid (vitamin C), >500 mg/day | FreeStyle Libre | Higher sensor readings than actual glucose |
| Hydroxyurea | Dexcom G6, Medtronic Guardian | Higher sensor readings than actual glucose |
| Mannitol | Senseonics Eversense | Sensor bias within therapeutic concentration ranges |
| Tetracycline | Senseonics Eversense | Sensor bias within therapeutic concentration ranges |
| Medication . | Systems affected . | Effect . |
|---|---|---|
| Acetaminophen | ||
| >4 g/day | Dexcom G6 | Higher sensor readings than actual glucose |
| Any dose | Medtronic Guardian | Higher sensor readings than actual glucose |
| Alcohol | Medtronic Guardian | Sensor readings may be higher than actual glucose |
| Ascorbic acid (vitamin C), >500 mg/day | FreeStyle Libre | Higher sensor readings than actual glucose |
| Hydroxyurea | Dexcom G6, Medtronic Guardian | Higher sensor readings than actual glucose |
| Mannitol | Senseonics Eversense | Sensor bias within therapeutic concentration ranges |
| Tetracycline | Senseonics Eversense | Sensor bias within therapeutic concentration ranges |