Xylitol is deadly to dogs and cats. I use a nasal spray with Xylitol for chronic Sinusitis
My cat is cordially invited OUT of the bathroom when I use iti
“I use a nasal spray with Xylitol for chronic Sinusitis”
Sounds like Xlear brand. I believe it has Grape seed extract as well. Supposedly it kills / inhibits the covid virus as well.