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higher sensor glucose readings in reports than actual blood
glucose readings. For pump users, taking hydroxyurea while using
continuous glucose monitoring can result in hypoglycemia caused
by over-delivery of insulin.
Always check the label of any medication being taken to confirm
if hydroxyurea or hydroxycarbamide is an active ingredient. If
hydroxyurea is taken, consult a healthcare professional. Use
additional blood glucose meter readings to verify glucose levels.
Taking medications that contain acetaminophen or paracetamol,
including, but not limited to fever reducers and cold medicine, while
wearing the sensor, may falsely raise sensor glucose readings.
The level of inaccuracy depends on the amount of acetaminophen
or paracetamol active in the body and may be different for each
person. Always check the label of any medications to confirm
whether acetaminophen or paracetamol is an active ingredient.
Do not expose the sensor to MRI equipment, diathermy devices,
or other devices that generate strong magnetic fields. The
performance of the sensor has not been evaluated under those
conditions and may be unsafe. If the sensor is exposed to a strong
magnetic field, discontinue use and contact 24-hour Technical
support for further assistance.
Always inspect the packaging for damage prior to use. Sensors are
sterile and non-pyrogenic, unless the package has been opened or
damaged. If the sensor packaging is open or damaged, discard the
sensor directly into a sharps container. Use of a non-sterile sensor
may result in infection at the insertion site.
Do not allow children to put small parts in their mouth. This product
poses a choking hazard for young children.
Do not use the Guardian 4 sensor if you are pregnant or critically
ill. Since the sensor has not been studied in these populations,
the impact of medications common to these conditions on sensor
performance is unknown and the sensor may be inaccurate in
these populations.
Healthcare professionals and caregivers:
• Always wear gloves to insert the sensor. A retractable needle is
attached to the sensor. Minimal bleeding may occur.
• Cover the sensor with sterile gauze to remove the needle
housing from the sensor.
Place the needle housing directly into a sharps container after
sensor insertion to prevent accidental needlestick injury.
Watch for bleeding at the insertion site (under, around, or on top of
the sensor).
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