WCIA-TV News (Dec. 19) – “When dogs walk through it, it can be very irritating to their paws. And so, what you might see is that when they’re putting their paws on the ground, it stings,” says critical care veterinarian Dr. Caroline Tonozzi. “They can also lick it off their paw, and if they lick it, it can be very irritating to their mouth and their [gastrointestinal] tract.”
https://www.wcia.com/news/vets-warn-about-winter-dog-walking/