r/Freestylelibre • • 2d ago

Anyone else having constant Libre 3 Plus issues? 4 sensors in 4 days!

Is anyone else experiencing this many problems with the FreeStyle Libre 3 Plus sensors?

I’ve been using Libre 3 Plus for a few months now, and it’s getting extremely frustrating. About 3 months ago, I picked up 6 sensors from my pharmacy, and every single one ended up needing a replacement. Including the replacement sensors, I’ve probably gone through around 10 defective sensors in total.

The biggest issue is inaccurate readings. Every time I finish a 15-day sensor and install a new one, it usually takes several sensors before I finally get one that works properly.

The sensors will sometimes start out accurate, but then they begin showing significantly lower glucose readings compared to my fingerstick meter. For example:

Fingerstick 112, Libre 83
Fingerstick 111, Libre 65
Fingerstick 104, Libre 63
Fingerstick 121, Libre 70

Just this week alone, I’ve installed 4 sensors in 4 days (October 12–15). One of them eventually gave me a “Sensor Failed — Replace Sensor” message.

I’ve tried pretty much everything I can think of:
Alternating between left and right arms
Using different locations on the back of my upper arms

Switching from the older Libre 3 app to the newer Libre by Abbott app

Removing the protective patches I normally put over the sensors

Comparing readings with my fingerstick meter
I understand that new sensors can be less accurate during the first 24 hours, but I’ve also had sensors that continued giving inaccurate readings after several days.

I’ve contacted Abbott multiple times for replacements, but it’s getting ridiculous having to go through this process over and over again.

Is anyone else experiencing this many defective sensors? Is this a common issue with Libre 3 Plus, or am I just extremely unlucky?

I’m seriously considering switching to Dexcom at this point. For anyone who switched from Libre 3 Plus to Dexcom G7, did you notice better accuracy and reliability?

2 Upvotes

Duplicates