I posted a really good and brief article on Dr Johnson.com that alerts people to Why Their Dog is Sneezing So Much right now. It's a little different from “Atopy” and I explain that. How to use an antihistamine for Allergies from Pollen right now, is also covered as well as a link to my favorite antihistamine, Fexofenedine for sneezing and snorting in dogs this time of year.
Here's the article: