This post is sponsored by OdorKlenz
This post contains affilliate links*

Allergies are an extreme reaction of the immune system to common substances in a cat’s everyday environment. Just like in humans, feline allergies can be caused by trees, grasses, dust, fabrics, cleaning product, perfumes, food, and more. A lesser known cause of feline allergies is cat litter. Cat litter may contain chemicals, bentonite, silica dust, clay and fragrances that can cause allergies and lead to litter box avoidance.

Allergy symptoms

The signs of an allergy in your cat can either be visual or behavioral.

Visual signs of an allergic reaction in cats are very similar to signs of an allergic reaction in humans, which can include anything from a runny nose and sneezing to wheezing and coughing. In the case of a litter allergy, these signs will persist and appear more pronounced when your cat has just used the litter box.

Behavioral signs may occur after your cat’s paws or tail come into contact with litter, and may include persistent scratching, biting, chewing, or licking. One of the biggest indicators of a cat litter allergy may be litter box avoidance.

What is cat litter made of?

With the large variety of different types of litter available today, ingredients will vary and may include clay, bentonite, silica, wheat, corn, grass, and many other substances. The exact cause of a litter allergy will be different from one cat to another. The most likely cause of a litter allergy is either excessive dust, or added fragrance.


Unfortunately, many litters utilize fragrances and in some cases chemicals for odor control. Scented litter is a poor choice for all cats, but can be especially detrimental for cats prone to allergic reactions. A better option for odor control is the use an effective cat litter deodorizer that is specifically made to remove odors at the source rather than mask them.

How to prevent and eliminate litter allergies

The most effective way to solve allergies is to remove the trigger from your cat’s environment. This may mean switching to a different type of litter, preferably one that is unscented with minimal dust. Additionally, a natural cat litter additive can help remove lingering odors left behind in your cat’s litter box. Then you have the best of both worlds, a cat that is no longer suffering from allergies and an odorless litter box environment in your home.


OdorKlenz Litter Additive

The OdorKlenz Litter Additive is a nontoxic product that contains a proprietary formula which is both safe and powerful in neutralizing odors on a chemical level, so the smell never reaches yours, or your cat’s nose. The technology is made from earth minerals, making it safe to use around your cat. By removing litter box odors without added fragrance, you also reduce the risk of potential litter allergies.

To learn more about the OdorKlenz Litter Additive and OdorKlenz’ other products, please visit the OdorKlenz website.

*FTC Disclosure: This is a sponsored post, which means that I was compensated to feature this content. The Conscious Cat is an affiliate partner of OdorKlenz. This means that if you decide to purchase through any of our links, we get a small commission. Regardless of payment received, you will only see products or services featured on this site that I believe are of interest to our readers.

5 Comments on Can Cats Be Allergic to Litter?

  1. I saw the first ingredient of Oderklenz is soda ash. I looked up it’s safety concerning animals and it doesn’t seem safe at all from what I read. It is corrosive and also harmful if inhaled. I’ll stick with scooping anytime one of my kitties uses the box and bimonthly total box cleaning.

  2. My cat scratched and bit all the time and didn’t know why? As soon as the vet gave her a steroid and a antibiotic shot she barely scratches and bites anymore. Her face even looks better. Still don’t know what caused it. We use Fresh step cat litter she seems to like it.

    • Your cat is a allergic to the Fresh Step cat litter. It’s poison. My cats are deathly allergic to Fresh Step, & Arm & Hammer. It’s almost killed them I had 3 that came down with respiratory infections. Me too!! I can’t stand the smell it’s overwhelming. And gives me a severe headache. Please for the sake of you dear kitty change to a natural clay littler. Or the blue wilderness one.

  3. I recently bought the Odorklenz litter additive and it really works. I was wondering how much difference it would make but I knew it was working when my husband commented on the difference it made. With six permanent residents and 4 fosters it really got tried out.

  4. My oldest cat, Pono, has had severe allergies since he was a baby. He is allergic to something in the air. But I had a hard time convincing the vets in my area that this was his problem. We both got bad the same time, so I figured we are both allergic to the the same thing. I was the one who had to do the research on allergies in cats to get the vet to even listen to me. I kept getting told cats don’t have air born allergies like people do. His allergies turn to respiratory infections and we almost lost him a couple times before the vets could figure out how to treat him. He will be 15 at the end of the month.

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