Cat Allergies and Top 10 Tips to Reduce Your Symptoms!
Cat Allergies and Top 10 Tips to Reduce Your Symptoms!
Even if you are allergic to your cat, these top 10 tips can greatly
reduce or eliminate your cat allergy!
Many people are allergic to cats. Or, worse yet, they are allergic to their own cats, and feel like they have no
choice other than to give their cat away. But, there are mitigation practices that can reduce or even
eliminate allergic reactions and symptoms. And yet, the medical community often ignores these and push
expensive testing protocols and medications. Sounds a lot like COVID doesn't it?
Let's look at what causes allergic reactions to cats and how to address them... without medications.
What and where are the cat allergens produced and how are they spread.
Cat allergens, specifically the primary Allergan, called Fel d 1, a protein produced in cats’ salivary,
sebaceous (skin), and perianal glands. Over 90% of cat-allergic individuals react to Fel d 1, according to
studies from the National Institute of Allergy and Infectious Diseases (NIAID). This allergen is small
(about 35 kDa), sticky, and easily airborne. This allergen is found particularly in their saliva,
skin, and urine. It is also spread to its fur when the cat licks itself. The dead skin flakes, called dander
becomes airborne or settles on surfaces, entering the human respiratory system or skin. Fel d 1 is also
found in cat urine and can aerosolize in litter boxes.
More details about cat allergies and symptoms
- All cats produce Fel d 1, but levels vary. No breed is truly “hypoallergenic,” despite claims
about breeds like Siberians or Sphynx.
- Indoor cats concentrate the allergens as they are inside 24x7.
- Male cats (especially unneutered) produce more Fel d 1 due to hormonal influences.
- Neutered/Spayed cats (both male and female) produce less of the allergens.
- The sensitivity varies among humans, even among those who are allergic to cats, some react more
strongly than others. Genetic predisposition and prior exposure commonly determine the severity of
reaction.
- Typical allergic reactions include sneezing, runny/stuffy nose, itchy/watery eyes, throat
irritation, skin rashes (contact dermatitis), or asthma exacerbation in severe cases.
How to reduce the amount and/or strength of allergens a cat produces
Bet you didn't know that not all cats produce the same strength or amount of allergens? In other
words, people can be less allergic to one cat than another. But generally, you w won't know until after the
exposure.
Neutering males and spaying females helps to reduce the amount of allergen the cat produces
substantially. Some authorities claim that some specific cat foods can also reduce the amount of allergen a
cat produces.
Top 10 tips to reduce the load of allergens in the household
OK, you've done all you can to reduce the amount of allergens your cat produces by neutering. Now,
let's look at ways to reduce the amount of cat allergens in the home.
I find it peculiar that no other authority or website points out that, by far, the fastest, easiest and
most inexpensive way to reduce the allergens in the home is to ... open the windows!
- Ventilate: Simply putting a $20 to $50 box fan blowing air in, in a downstairs window and another
blowing air out in an upstairs window or window at the other end/side of the house gets rid of most of
the allergen. Yes, you cannot do this 24/7 in most locales, but even in the Deep South in the summer or
Minnesota in the winter, you can at least do it for a couple of hours a day (at night in a hot summer
climate, middle of the day in a cold winter climate) and this will enormously
reduce the load in the house!
Pro tip: Put a furnace filter
that has the ability to trap pollen and dust on the outside of the intake box fan to prevent dust and
pollen from coming into the house. Look for a furnace filter that is the same size as the box fan and
which will fit in the window (typically, you want a 20 inch by 20 inch filter).
- Cover furniture: Put blanket or other covering that can go into the laundry over any furniture
that is used by either the cat or the affected human. Then run those through the washing machine
and dryer at least once per week
- Air filtration: In the months of extreme weather, switch to air filtration. Specifically a
HEPA Air Purifier: Invest in a purifier like the Levoit Core 300 (usually around $100) to remove airborne Fel d 1. Place it
in areas where both the cat spends a lot of time and where the affected human sleeps or spends time.
(e.g., living room, bedroom).
- Personal Hygiene: Wash your hands and face after petting your cat to remove Fel d 1. This is
IMPORTANT!
Change clothes after prolonged contact to avoid spreading allergens.
- Frequent Cleaning and Vacuuming: Use a
vacuum that has HEPA filtration (~$100–$200) to trap dander.
Vacuum carpets, furniture, and curtains 2 or 3 times weekly.
Wash Bedding and Fabrics: Clean pet
bedding, blankets, and your own bedding weekly in hot water (130°F/54°C) to denature (break down) Fel d 1 proteins.
Wipe Surfaces: Use damp cloths to trap allergens on hard
surfaces (e.g., countertops, shelves) daily.
- Neuter: Have you cat neutered or spayed.
- Brush your cat daily with a self-cleaning cat brush to remove lose, dead fur, which otherwise become
airborne.
- Bathe Your Cat: Assuming your cat won't claw your face off, wash your cat weekly with a
pet-safe shampoo (e.g., Allerpet-Cat) to reduce dander and Fel d 1 on fur. Studies
show bathing can cut allergen levels by up to 80%. And wipe down the cat's fur with
allergen-neutralizing wipes like, Allerpet Cat Dander Remover, Pet Dander Allergy Relief, Natural and Safe Allergy Relief for Cats and Humans, between baths.
- Litter box changes: Make them frequent, but not done by the allergic individual. Use
low-dust, unscented litter (e.g.,World’s
Best Cat Litter) to minimize aerosolized Fel d 1.
Related, enclose the
litter box, but putting it inside a large clear plastic storage box with a hole (about 8 inches
by 8 inches cut in the end for the cat to enter). See photo below. This approach is HIGHLY effective!
- Flooring: If this is feasible for you, replace carpets with hardwood or tile to reduce
allergen buildup. If not feasible, use washable rug
Conclusion
Over time, following the techniques above, the affected person may become desensitized to the cat's
allergens; this happened with my own son. After a year or so, he could actually hold and pet the cat
with no reaction at all.
Product List for Cat Allergy Mitigation - where to get mentioned products
-
HEPA Air Purifier: Levoit Core 300 -
Description: A compact True HEPA air purifier that captures Fel d 1 allergens, suitable for small to medium
rooms (up to 219 sq. ft.). Ideal for reducing airborne dander in high-traffic areas.
-
HEPA Vacuum: Shark -
Description: A vacuum with a HEPA filter to trap Fel d 1 allergens on carpets, furniture, and curtains.
Recommended for frequent cleaning (2–3 times weekly) to reduce allergen buildup.
-
Allerpet Cat Dander Remover, Pet Dander Allergy Relief, Natural and Safe Allergy Relief for Cats and Humans
-
Description: A pet-safe solution applied weekly to cat fur to neutralize Fel d 1 allergens, reducing dander and
allergic reactions by up to 80%.
-
Purina Pro Plan LiveClear Chicken and Rice Formula -

Description: Allergen-reducing dry cat food that neutralizes Fel d 1 in saliva by ~47% after 3 weeks.
High-protein formula with probiotics, suitable for daily feeding.
-
Hertzko Self-Cleaning Slicker Pet Brush -
Description: A grooming brush to reduce dander by brushing cats daily, ideally outdoors, to minimize allergen
spread. This brand of self-cleaning cat brush is also popular and costs less.
-
Cat litter box enclosure -
Description: You can make your own
from a large clear plastic storage container from Wal-Mart or buy one pre-made as shown. It traps the allergens,
dust, smell and mess.
-
Low-Dust Litter: World’s Best Cat Litter, Multiple Cat Unscented, 28 lb Bag -
Description: A low-dust, unscented clumping litter that minimizes aerosolized Fel d 1 from litter boxes,
recommended for daily cleaning in well-ventilated areas.
-
Purina Pro Plan LiveClear Rinse-Free Dry Shampoo -
https://www.amazon.com/Purina-Pro-Plan-Rinse-Allergen/dp/B08JCNJ6C4
Description: A hypoallergenic foam shampoo that reduces Fel d 1 by ~33% for up to 24 hours, complementing
LiveClear food for allergen reduction.
-
Wahl USA Pet Friendly Waterless No Rinse Shampoo for Cats, Dogs and Other
Animals -
Description: for Cleaning, Conditioning, Detangling, & Moisturizing Dogs & Cats. This one
is 1/3 the price of Purina and is 3 times as popular.
Other allergens
Be sure to also see the page on dust mites, which also cause allergies. Control measures include enclosing the mattress top and sides with a plastic cover or other dust mite impervious cover (available here), thoroughly vacuuming mattress pillows and the base of the bed. Put an airtight plastic or polyurethane cover over your mattress. This tip is number one for a reason: it is in your bed that you are closest to the mites and their feces and enclosing the mattress and pillows in a dust mite cover virtually eliminates the mites here.
Here are products that we recommend for allergy mitigation
References
-
Mayo Clinic.
Pet Allergy: Symptoms and Causes.
-
Platts-Mills, T. A. E., and Woodfolk, J. A. (2011). Allergens and Their Role in the Allergic Immune Response.
Immunological Reviews,
242(1), 51–68. doi:10.1111/j.1600-065X.2011.01021.x.
-
American College of Allergy, Asthma and Immunology (ACAAI).
(n.d.). Pet Allergies.
- Bastien, B. C., et al. (2019). Impact of Neutering on Fel d 1 Production in Domestic Cats.
Veterinary Dermatology,
30(3), 245–250. doi:10.1111/vde.12745.
- Asthma and Allergy Foundation of America (AAFA). (n.d.). Pet
Allergies.
- Wood, R. A., et al. (2007). Environmental Control for Allergic Diseases.
Journal of Allergy and Clinical Immunology,
120(5), 1129–1135. doi:10.1016/j.jaci.2007.07.024.
- Consumer Reports. (n.d.). Best Air Purifiers for Pet Allergies. Available at:
https://www.consumerreports.org/appliances/air-purifiers/.
- Avanzato, D., et al. (2018). Effect of Bathing on Fel d 1 Levels in Domestic Cats.
Journal of Feline Medicine and Surgery,
20(10), 892–896. doi:10.1177/1098612X17735783.
- Allerpet Cat Dander Remover, Pet Dander Allergy Relief, Natural and Safe Allergy Relief for Cats and Humans
- Purina Institute. (n.d.). Pro Plan LiveClear.
- Satyaraj, E., et al. (2019). Reduction of Active Fel d 1 from Cats Using an Anti-Fel d 1 Egg IgY Antibody.
Immunity, Inflammation and Disease,
7(2), 68–73. doi:10.1002/iid3.244.
- HypoPet AG. (n.d.). CatVax Development. Avail
- WebMD. (n.d.). Cat Allergies: Treatments
- AllergyMonitor. (n.d.). Allergy Tracking App.