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

Do Flea Collars Work on Cats? Facts & FAQ

As much as we love our cats, dealing with fleas can be a huge pain. Flea collars are one method of flea prevention that many pet owners opt for, but do they actually work? The answer is yes, but they might not be the best option for everyone. They can be a helpful part of a multi-step approach considering your individual situation.

Read on to find out everything you need to know about using flea collars on cats, including whether or not they’re effective.

Click below to jump ahead:

cat paw divider

Do Flea Collars Get Rid of Fleas on Cats?

A lot of pet parents ask themselves this question, and the answer isn’t always cut and dry. Flea collars can be effective at repelling and killing fleas, but they don’t work for everyone.

There are a few things you need to take into account when deciding if a flea collar is the right choice for your cat.

Cat with fleas
Image Credit: Maja Marjanovic, Shutterstock

cat paw divider

The 3 Questions to Ask if You’re Considering a Flea Collar for Your Cat

1. How bad is your flea problem?

If you only have a few fleas, a collar might be enough to get rid of them. But if you have a heavy infestation, you’ll need to use other methods in addition to the collar.

thematic break

2. How will your cat react to the flea collar?

Some cats are very sensitive to the chemicals in the collar and can have an allergic reaction. Others simply don’t like wearing them and will try to take them off. If your cat falls into either of these categories, a flea collar probably isn’t the right choice.

thematic break

3. How often are you willing to put the flea collar on and take it off?

Flea collars need to be replaced every few months, and some pet parents find this to be a hassle. If you’re not willing to put the time and effort into using a flea collar correctly, it’s probably not the right choice for you.

So, do flea collars work on cats? The answer is yes, but they might not be the best option for everyone. Consider your individual situation before making a decision.

beautiful cat wearing a green calming collar
Image Credit: Julia Sudnitskaya, Shutterstock

3 cat face divider

Why Does My Cat Still Have Fleas with a Flea Collar?

You’ve tried flea collars, but your cat still has fleas. What gives? The truth is that there’s no way to stop fleas completely. Flea collars can help to reduce the number of fleas on your cat, but they’re not 100% effective. There are a few things you can do to help reduce the number of fleas on your cat:

  • Give them a bath with flea shampoo. This will kill any fleas on your cat’s fur.
  • Vacuum your house regularly. This will help to remove any fleas that are living in your carpet.
  • Wash your cat’s bedding in hot water. This will kill any fleas that are living in their bed.

If you’re still having trouble with fleas, talk to your vet. They can prescribe medication that will help to kill fleas and prevent them from coming back.

How Do I Know if My Cat’s Fleas Are Gone?

Okay, you’ve tried the flea collar, but you want to make sure those fleas are gone for good. Here are a few things you can do to check:

  • Check your cat’s fur and skin for any signs of fleas or other parasites. If you see any, remove them with a fine-toothed comb and dispose of them.
  • Inspect your cat’s bedding and sleeping areas for any flea dirt or eggs. If you find any, wash the bedding in hot water and vacuum the sleeping areas thoroughly.
  • Ask your veterinarian to perform a skin scrape test on your cat. This will help determine if there are any remaining fleas or other parasites on your cat’s skin.

If you follow these steps and your cat is still scratching and showing signs of discomfort, it’s possible that the flea collar is not working. You may need to try a different method of flea control, such as oral medication or spot-on treatment. Talk to your vet about which option is best for your cat.

flea combing a tabby cat, looking for fleas
Image Credit: Simone Hogan, Shutterstock

cat + line divider


The short answer is that flea collars are not 100% effective at preventing fleas in cats. However, they can be a helpful part of a multi-step approach to keeping your feline friend free of these pesky parasites.

In addition to using a collar, you should also employ regular combing and vacuuming and take your cat to the vet for regular check-ups. With a little diligence, you can help your cat avoid the discomfort of fleas!

thematic break

Featured Image Credit: Inga Gedrovicha, Shutterstock