I gave up on them. Still finding engorged ticks. I was swapping them out every 4 months and still no luck so I switched no Nexgard. Not a tick since.How many people are still using seresto collars? Any good or bad experiences with them?
I think the ticks here are immune- I used the Seresto collars the right way, tight, and was finding ticks embedded right next to the collar. I ended up returning the collars but Chewy was great about it with full refund. We do have extra nasty ticks around here, though, they are immune to topicals like Advantix. My dogs were on Advantix II and came home literally crawling with ticks, lots embedded, which is when I switched meds.
I use the oral meds now - Bravecto, Simparica, and Nexguard are all good. I like Simparica right now because it covers more tick species, works a bit faster to kill the ticks, and lasts slightly longer than a month. For the same price. I do hate to feed my dogs chemicals, but it is the only thing that works.