It could be allergies. Erlong begins sneezing when pollen count is high in my area. I suffer the same issue (due to pollen allergy). Whereas Xiao Wu and Loki do not have this issue. Hopefully the vet can figure it out for you and prescribe the appropriate medications, if needed.Yes, fungus, hemp, and ragweed. Fungus is high, 2 others are at medium.
Also she has a male companion Rabbit and he is totally ok.
I'm worried about her, but I also don't want to stress her just by rushing to the hospital because with unexepcted visits you are to wait like 5+ hours.
(Sorry for my rant)