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Overview

Many people are allergic to pets. In people with an inherited hypersensitivity (called atopy), exposure to proteins (allergens) in an animal's saliva, dander (flakes of skin), or urine can cause an allergic reaction. Most allergies to dogs, cats, and horses are caused by hypersensitivity to proteins found in the animal's saliva and dander. Most allergies to rabbits, hamsters, and guinea pigs are caused by hypersensitivity to proteins in the animal's urine.

An allergic reaction...Read the full article