# Freestyle Libre in the US: 10-day vs 14-day sensor comparison **URL:** \ **Category:** Tipwiki\ **Tags:** freestyle-libre\ **Created:** [November 13, 2018, 8:33am UTC](https://forum.fudiabetes.org/t/freestyle-libre-in-the-us-10-day-vs-14-day-sensor-comparison/5490 "2018-11-13T08:33:47Z")\ **Posts on this page:** 1\ **Showing post:** 8
**Author:** ![Michel](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/michel/32/387_2.png) [@Michel](https://forum.fudiabetes.org/u/Michel)\ **Post date:** [November 13, 2018, 3:08pm UTC](https://forum.fudiabetes.org/t/freestyle-libre-in-the-us-10-day-vs-14-day-sensor-comparison/5490/8 "2018-11-13T15:08:47Z")
> [@Freestyle Libre: going from 10 to 14-day sensors](https://forum.fudiabetes.org/t/freestyle-libre-going-from-10-to-14-day-sensors/5306/34): > > devastated when this reaction strikes Understandable, when you see how useful a CGM is. I am not familiar with skin reactions for the Libre, but I am very familiar with those for the Dexcom. We have a long wiki discussing how to deal with such reactions, and most people find a way to accomodate it, even with severe reactions: > [@How to deal with a Dexcom allergy](https://forum.fudiabetes.org/t/how-to-deal-with-a-dexcom-allergy/2138): > > How do you deal with an allergic reaction to a Dexcom sensor when you want to wear a CGM? Many Dexcom users suffer from allergic reactions, which make it difficult for them to withstand a sensor for 7 days or more. These allergies sometimes come and go, or suddenly show up after years of use with no trouble. There is a large online literature of forums posts and blogs that discuss issues and potential solutions. The present series of posts summarizes some of these online reports. Caveat: it sh… My feeling is that the very large majority of people would be able to surmount the problem using some of the techniques discussed in this wiki! The simplest is SkinTac, which we use as a prevention and also as a way to withstand frequent swimming practices. But there are many layers and levels 🙂 --- _[View the full topic](https://forum.fudiabetes.org/t/freestyle-libre-in-the-us-10-day-vs-14-day-sensor-comparison/5490)._