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Ask the Allergist

Can Cat Food Reduce the Allergens From Cats?

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Photo by Anna Kumpan on Unsplash
We currently have a cat. My daughter is allergic to it. I have heard that a specific cat food reduces the allergen in cats. Which food would be best to feed them? I regularly clean the home, but I want to make it safer for my daughter.

There is a cat chow that was developed to help reduce the amount of major cat allergen (Fel d 1) in the environment where a cat lives. This is most likely the thing you may have heard about.

Pro Plan LiveClear is a cat food made by Purina. It reduces the major allergen after a cat eats it for several weeks. Chickens are immunized with the major cat allergen (Fel d 1). This makes them produce specific antibodies. These antibodies are then collected from the egg yolks of these chickens. They are then used to supplement the cat chow. When the cat eats this food the amount of the major allergen in the catโ€™s saliva and hair is reduced by these antibodies. This lowers the amount of cat allergen in the environment. The effectiveness of this technology has been confirmed in small studies.

Other general measures to reduce the amount of cat allergen in the home include:

Learn about more measures to reduce your exposure to cat allergens.

Allergy, CERTIFIED asthma & allergy friendlyยฎ, Pet Allergy
Answered by

John M. James, MD, is a board-certified allergist. He is also President of Food Allergy Consulting and Education Services, LLC. He has worked as a medical specialist in the field of allergy, asthma, and immunology for over 30 years. Dr. James received his bachelorโ€™s degree from the University of Arkansas and his Doctor of Medicine degree from the University of Tennessee. He is board certified by the American Board of Allergy and Immunology.

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