Animals
Proteins from pets’ skin, saliva and urine, carried on dander and dust. 2 guides, each with its sources.
Felis catusCatCat allergy is mostly a reaction to Fel d 1, a protein from cats’ skin glands and saliva that spreads far beyond homes with cats.Canis familiarisDogDog allergy is a reaction to proteins in saliva, dander and urine. All dogs make them, and no breed has been shown to be truly hypoallergenic.