St. Louis Children’s Hospital

Animals

What is an animal allergen?

Allergens found in animals are a common cause of allergic reactions in children. They are caused by the protein found in an animal's:

• oil glands in the skin.
• dander.
• saliva.
• urine.

Household pets, such as cats and dogs, are the most common sources of animal allergens.

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Online Resources of Allergy, Asthma, & Immunology