Understanding and Managing Pet Allergies

Allergic reactions to proteins found in an animal's skin cells, urine, or saliva.

Pet Allergies FAQ

What is a pet allergy?

Pet allergy is an allergic reaction to proteins found in an animal's skin cells, saliva or urine. Signs of pet allergy include those common to hay fever, such as sneezing and runny nose. Some people may also experience signs of asthma, such as wheezing and difficulty breathing.

What causes a pet allergy?

Pet allergy is caused by the protein in a pet’s saliva, urine or dander (shed skin particles). Cats and dogs produce multiple proteins with the potential to cause a pet allergy. It is commonly thought that the hair causes symptoms, however it is the pet’s dander that is mainly responsible.

What is a pet allergy Factsheet?

This factsheet will provide information on pet allergy with the main focus on cat and dog allergy. It includes possible signs and symptoms of pet allergy, advice on what to do if you suspect one and provides practical advice on avoiding pet allergens. How common are allergies to pets? What causes pet allergy?

Do you have a pet allergy?

Most often, pet allergy is triggered by exposure to the dead flakes of skin (dander) a pet sheds. Any animal with fur can be a source of pet allergy, but pet allergies are most commonly associated with cats and dogs. If you have a pet allergy, the best strategy is to avoid or reduce exposure to the animal as much as possible.