Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Does Cedarwood Oil Kill Fleas on Cats? Vet-Verified Effectiveness & Safety Explained

Share

cedar chips and essential oil

Fleas can be the bane of a cat owner’s existence. Once they appear, they’re everywhere, and worst of all, they make our kitties miserable. Getting rid of fleas can be an arduous task. While plenty of flea control and prevention medicines, collars, and treatments are on the market, not all of them work well, and some have ingredients that can harm our pets.

Many people prefer to take an all-natural route when it comes to killing fleas on cats, and one such way they do so is by using cedarwood oil. However, never use essential oils on your cat without speaking with your vet first! Cedarwood oil is an essential oil that seems to be successful in killing off fleas, and it’s one of the few that are mostly safe for use on felines when properly diluted. However, most essential oils are dangerous for cats.

Here’s a closer look at cedarwood oil and how to use it on your pet.

divider cats oct 2024

What Are Essential Oils?

The use of essential oils has risen in the past decade, and there’s a good chance you’ve used them in some way before. If you’ve missed out on the essential oil craze, you might wonder what exactly the oils are. Essential oils are the parts of a plant that cause it to taste and smell the way it does. The essential oils we use in our homes come from extraction via cold pressing or distillation.

You can use essential oils as aromatherapy (how they’re most often used), homeopathic remedies, killing fleas, and more. Although essential oils are relatively harmless for us, many are highly toxic to our cats.

However, cedarwood essential oil is one of the few generally safe ones.

Cedar oil branches and cedar cone
Image By: Lazhko Svetlana, Shutterstock

Cedarwood Oil and Cats

Cedarwood is one of the few non-toxic essential oils for felines, and it seems to help reduce fleas. It might even reduce the number of ticks that outdoor cats get. The downside is that there’s a good chance your pet will hate the smell of it. Don’t forget to speak to your vet before using it on your cat!

The scent of cedar is sometimes used as a cat deterrent; homeowners place cedar chips out in their yards to keep stray felines from wandering in and causing havoc. Since it’s a smell that kitties don’t enjoy too much, you risk your pet being upset at having the scent of cedar constantly around them.

How to Use Cedarwood Oil to Kill Fleas

Your safest bet for applying cedarwood oil to kill fleas on your cat is to buy a product with it. Commercial products should have cedarwood oil in safe dosages and instructions on how to apply them so your pet isn’t at risk. However, most of these products are not regulated by the FDA and may have a variable degree of safety and efficacy. Consult with a vet before choosing any particular product.

Never apply the product directly to your cat’s skin. Instead, use a cloth or cotton ball to transfer it from the bottle to their coat. Always be careful and make sure not to get any of the product in your cat’s eyes or on their head, and supervise your cat for the next few hours, distracting them with playing, in order to avoid them licking any of the product off, as this may cause mild side effects such as drooling and a stomach upset. Some cats may also develop sneezing, nose and eye discharge, and breathing problems if they end up inhaling any of the product.

If upon application, your cat’s skin becomes red or irritated, causing them to frantically start itching and scratching, they may be experiencing an adverse skin reaction. In that case, wash the product off their skin immediately and if the signs are not resolving, contact your veterinarian.

If you are using concentrated cedarwood oil, keep the bottle well away from your cat, and be aware that you shouldn’t be adding more than 5-10 drops of oil per ounce of water or carrier oil. However, it is much safer to use a commercial product rather than mixing up your own flea treatment.

Some recommend using cedar oil hydrosol, which is much less concentrated and therefore less likely to cause any side effects. Such products are usually placed in spray bottles and used on the cat’s bedding and other belongings around the house.

Regardless of the product used, check with your vet to determine if it is an appropriate product for your cat. A vet can prescribe more effective treatments, such as topical products, that have been successfully used to eradicate fleas for decades.

If you’re unsure about the right method or medication for treating your cat, you should consult your vet, especially if your pet has an underlying health condition.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money

What Happens If My Cat Licks Cedar Oil

If by some chance your cat manages to lick some of the cedar oil off their skin, first check the full list of ingredients on your product, as some may contain other substances that may not be as safe for cats. In that case, or if you’re not sure, consult with a veterinarian. Stop them from licking any further product off, by wiping the excess of their fur with a damp cloth.

Some cats may experience nausea, drooling, or a stomach upset, with vomiting, if they have licked cedar oil in a more significant amount. If these signs do not resolve in a matter of a few hours, or get worse, your cat should be taken to the vet. If your cat inhaled any by chance, they may develop sneezing, coughing, nasal discharge, or respiratory difficulties, which is more of a concern and may require prompt veterinary attention. If any cedar oil product gets in your cat’s eyes, rinse them out immediately with tap water, as it’s likely to cause irritation, redness, swelling, squinting, and others. Then contact your vet to see if your cat will need to be checked out at the clinic, or whether you can monitor them at home.

Unsafe Essential Oils for Cats

You can find several other essential oils advertised as effective flea and tick control, but most essential oils are toxic to cats.

Just a few of the toxic essential oils include:
  • Citrus
  • Clove
  • Eucalyptus
  • Lavender
  • Oregano
  • Pennyroyal
  • Pine
  • Sweet birch
  • Tea tree
  • Thyme oil
  • Wintergreen
  • Ylang Ylang
cat on the table being checked by a vet
Image Credit: brodtcast, Shutterstock

divider cats oct 2024

Final Thoughts

Cedarwood oil has been known to kill fleas and is one of the few essential oils that are safe to use around cats, if properly diluted and applied appropriately. However, you still need to be careful when using it. Before using any product or oils around your pet, always speak with your vet first to ensure you’re using the oil in the safest way possible, or purchase some of the veterinary-approved products! Be mindful that there are a lot of commercial products out there, and not all of them are safe for your kitty.


Featured Image Credit: Madeleine Steinbach, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Ask Dr. Paola – Help! My Momma Cat Is Very Thin! (May 18, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

The Cat Biting Mistakes Most Owners Make (And What Works Instead)

Cat bites sent more than 400,000 people to emergency rooms in the US each year.1 Not scratches. Bites. And the reason they’re so...

Do Cats Cause Schizophrenia? Scientists Find a Link – Here’s What It Means

Being a fierce advocate (and occasional recipient of) mental health support and awareness, the term ‘crazy’ is not one I like to fling...

One in 100 Cats Gets Diabetes – Here’s How to Catch It Early

One in every 100 cats develops diabetes.1 That’s not a rare, unlucky condition reserved for cats with obvious health problems. It’s common enough...

More related

What Causes UTIs (Urinary Tract Infections) in Cats (Vet Answer)

Urinary tract infections, or UTIs, occur when the body’s innate defenses are defeated, and microbes invade and infect the organs responsible for creating...

Ask Dr. Paola – Adoption, Over-grooming & Drooling (October 6, 2025)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

Putting Clothes on Cats: Why I Avoid It

Hi, I’m Christopher! Read my introduction to learn more about me and my silly Russian Blue cat, Olga. Dressing up cats and dogs...

12 Cutest Cat Breeds in 2026 (With Info & Pictures)

Nearly every kitty owner thinks they have the cutest cat in the world, much like parents with their babies. However, some cats are...

Keep reading

Does Baking Soda Kill Fleas on Cats? Vet-Approved Effectiveness & FAQ

Baking soda is an effective and inexpensive home remedy for several problems, and you may have heard that baking soda can kill fleas on cats. The idea is that baking soda creates an environment that the fleas cannot survive in...

baking soda in a glass bowl

Can I Feed My Cat Different Brands Of Food? Vet Approved Advice

As humans, we can’t imagine eating the same food over and over again, so when it comes to our cats, is variety really the spice of life, or will our furry friends fare better on the same diet for their...

woman giving food to her cute domestic cat at home

Can Cats Have Down Syndrome? Vet-Reviewed Science & Info

There are many diseases and conditions that can affect both cats and people: Cancer, influenza, and even the plague have all been found in both humans and their pets. With that in mind, it’s worth asking: Can cats have Down...

female veterinarian examining cat on the table

Why Does My Cat Walk on Me? 7 Vet Approved Reasons for This Behavior

If you have a cat that walks all over you either when you’re awake or when you’re sleeping, you may find it strange and possibly even annoying. It’s natural to wonder what the cause of this behavior could be, and...

cat on lap

How to Cat Proof a Toilet Paper Holder: Vet-Reviewed Explanation & Tips

Cats are notorious for unraveling and shredding toilet paper, driving many a cat parent to despair. If your cat is wreaking havoc in the bathroom, it’s time to start looking into how you can cat-proof your toilet paper holders and...

mackerel tabby cat playing with roll of toilet paper

How to Reduce Stress in Cats Over the Holidays: 10 Vet Approved Tips

The holidays can be a stressful time for anyone, but when it comes to cats, this stress can be overwhelming. Whether it’s new decorations, changes in the home, or frequent visitors, there are multiple stressors for cats that show up...

woman-decorate-christmas-tree-with-her-cat

At What Age Do Kittens Start Eating Food & Drinking Water? Vet-Reviewed Facts

If your cat is pregnant, you are probably worried about how you will care for her newborn kittens. There are so many things to know and learn, especially when feeding newborns and growing kittens. If your biggest question is when...

Kitten eating food from bowl

When Do Kittens Open Their Eyes? Vet-Reviewed Facts & FAQ

Did you know that kittens are born deaf and blind? In fact, newborn kittens enter the world with their eyes entirely shut, and they don’t open their eyes until they are 1-2 weeks old. In this article, we will discuss...

Snowshoe Lynx Point Siamese kittens

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.