FDA Adverse Event Malfunction Summary report: N

FREESTYLE LIBRE 3 PLUS

MDR report key: 22805545 · Received August 14, 2025

Report

Report Number
MW5174536
Event Type
Malfunction
Date Received
August 14, 2025
Report Date
August 11, 2025
Manufacturer
ABBOTT DIABETES CARE INC.
Product Code
QBJ
Product Problem
Yes
Report Source
Voluntary report
Reporter Occupation
PATIENT
Health Professional
*

Narratives

Description of Event or Problem · 0

MY FREESTYLE LIBRE 3 HAS ALERTED ME ON SEVERAL OCCASIONS THAT MY BLOOD SUGAR WAS CRITICALLY LOW (56 MG/DL). I HAVE GOTTEN UP AND REACTED BY IMMEDIATELY EATING/DRINKING ITEMS TO RAISE MY BLOOD SUGAR, WHICH RESULTS IN A SPIKE IN BLOOD SUGAR BECAUSE MY GLUCOSE WAS REALLY 102 MG/DL. I NOW HAVE TO DOUBLE CHECK IT WITH MY OLD METER VIA FINGER PRICK AND SEVERAL TIMES IT IS READING LOW. I HAVE BEEN A DIABETIC FOR OVER 20 YEARS AND HAVE MANAGED IT WELL. THIS SENSOR WAS SUPPOSED TO ELIMINATE FINGER PRICKING, BUT NOW I CAN'T TRUST THE DEVICE. I HAD A BATCH OF SENSORS DO THE SAME THING IN (B)(6). THIS IS A NEW BATCH: LOT T60003079; SN (B)(6) (2025-12-31 EXPIRATION). I DID NOT REPORT THE PREVIOUS TWO TIMES. I TAKE GREAT CARE TO PUT THE SENSOR ON AND I'VE FOLLOWED ABBOTT'S DIRECTIONS TO THE LETTER. PATIENT CODE: 1905. DEVICE CODE: 2460. REFERENCE REPORTS MW5174535 AND MW5174537.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1226241 FREESTYLE LIBRE 3 PLUS INTEGRATED CONTINUOUS GLUCOSE MONITORING SYSTEM, FACTORY CALIBRATED QBJ ABBOTT DIABETES CARE INC.

Patients

Seq Age Sex Outcome Treatment
1 83 YR Female MAGNESIUM.| MONJOURO.| PLAVIX.| TRELEGY.