flea collars for cats

What Are The Best Flea Collars For Cats?


​A cat's worst nightmare must be ​having ​fleas. It is not a pretty sight to see kitty itching and scratching because of fleas.

​Fortunately the problem can quickly be reversed. Flea ​collars are highly successful ​however treating fleas is something that needs to be ongoing. ​

Just because you get rid of the fleas doesn't mean they won't come back. They will, ​eventually.

​TIP: Write the expiry date of the flea collar on a calendar, a few days before the collar expires, ​which gives you time to purchase a new one before the old one loses effectiveness.

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What To Look For When Buying A Flea Collar

 * Look for a collar that has a breakaway aspect or a safety catch. This is a safety feature so that if the cat becomes entangled, the collar will break away with the cat's body weight.

 * Check to see if the collar is water resistant or if the effectiveness of the collar will be lessened if the collar gets wet.

 * Check the length of time that the collar remains effective and record the expiry date. Those 'use by' dates seem to creep up and the expiry date can come and go and be forgotten. For this reason buying more than one collar at a time is an option. Look out for special offers on Chewy.

 * Flea collars for cats and dogs have different active ingredients and a flea collar meant for a dog can make a cat very ill.

 * If your cat has known skin allergies be aware of any potential irritants. As a precaution, certainly check the first few days of a new collar being fitted to ensure there are no irritating factors for the cat.

Cat Flea Collar Reviews

​​​Cat Flea ​Collar

  •  ​Veterinarian recommended​
  •  ​Flea & Tick control on contact​
  • ​ 8 months continuous protection ​
  •  Good value
  •  Not affected when wet
Seresto Flea Collar For Cats

​Seresto Flea Collar For Cats

The active ingredients are released slowly and over time hence the 8 month time frame for repelling and killing fleas and ticks. It is easier than having to remember to apply flea drops once a month.  

It is water resistant and remains effective after bathing or an occasional swim although repeated exposure to water and sun or rain will reduce the time the collar remains effective.

The collar has a release mechanism in case the cat gets caught in something totally unforeseen while cat exploring. The cat’s own body-weight is enough to trigger the release.

This is a veterinarian recommended treatment. It starts to both repel and kill fleas within 24 hours.

Some cats may have dermatitis like reactions so check in the early days of wearing the collar that there is no adverse skin reaction. There is information in the instructions about what steps to take if this is the case.

The active ingredients are: Flumethrin 4.5% , Imidacloprid 10.0%. It is odorless. The collar is suitable for all cats, long hair and short hair.

These flea collars are the gold standard of flea collars.  ​

 Flea Collar For Cats

​Adams Flea and Tick Collar For Cats

This collar kills fleas for up to 8 months. In addition to killing fleas, it kills ticks, flea eggs and flea larvae.

It is suitable for all cats, long hair and short hair. The collar is easy to put on and is easily adjustable.

There are chemicals used, so follow the manufacturer's instructions.
Some cats can have dermatitis like reactions so check in the early days of wearing the collar that there is no adverse skin reaction.

The collar needs to be stretched to activate the ingredients. This is not listed as a problem but rather something to be aware of when using for the first time. The odor can be quite strong.

It starts working straightaway but it can take up to a week to see the full effect of wearing the collar.

How To Fit A Flea Collar

Are Cat Fleas Dangerous To Humans?

Cat fleas can cause redness and itching often around the feet and ankles on humans.
It is not a pretty sight and those bites are extremely itchy. The best way to avoid this is to keep the cat and house free of fleas.

Fleas are an irritant to the cat and can cause discomfort but can also be responsible for medical conditions such as flea bite anemia, tapeworms and dermatitis.  

Children can be exposed to these parasites by playing with flea infected cats.
These concerns should be taken seriously.

Homemade Flea Collar

​Some people are looking for alternatives to traditional flea collars that use chemicals to kill fleas.  You can make your own flea collar using essential oils. ​Click here ​for​ instructions ​explaining how to do make a cat f​lea collar using essential oils.  Is it going to be as effective? You need to look at in the same light as other natural products which mainly act as deterrants to fleas.  It will help keep the fleas away, it won't kill an infestation.  ​

Cat scratching with fleas

​This kitty needs some flea control!

How Long Are Flea Collars Effective?

That will depend on the brand you buy and is also reflected in the cost.

​A collar that lasts longer ​may cost more to purchase initially however because it lasts longer you will not need to purchase so often. The cost divided by 8 months becomes more reasonable.
Collars last from one month to 8 months depending on the brand.

Don’t throw away the old flea collar. Pop it inside the vacuum cleaner. The Seresto collar​ may last longer than 8 months so here is a chance to kill fleas ​as they are vacuumed.

Note: Don’t be surprised if you initially see more fleas after putting ​a flea collar onto your cat. This does not mean that the collar is not working. The fleas will rise to the top of the coat as they die. Remember to treat other areas of your home for fleas, eg cat bedding, carpet, scratching post and so on.

Our Recommendation is...

​Seresto Flea & Tick Collar


When buying a cat flea collar there are three things that you need to take into account 

 1.Effectiveness and Safety 2.​​Budget ​3.​Convenience. 

​For all of these reasons we have chosen the Seresto Flea​​​​​​​​ Collar as our first choice. ​

The Bayer Seresto collar is not greasy and the slow release of the active ingredients makes it hard to beat.  
These ingredients are released continuously over the eight month period life span of the collar.
You are getting a quality product with the safety aspect of a release mechanism that allows the cat's own strength to widen the collar and act as a quick release if your cat become entangled.

Overall rating :  5 / 5

​​​Cat Flea ​Collar

  •  ​Veterinarian recommended​
  •  ​Flea & Tick control on contact​
  • ​ 8 months continuous protection ​
  •  Good value
  •  Not affected when wet

Why Buy From Chewy?

There is no better recommendation than excellent customer service.  Peace of mind that any query will be dealt with straightaway is paramount.

Chewy has an outstanding ​track record for customer service and super fast delivery. The questions in Chewy's FAQ  are ones ​we all want to ask and that are helpful, for example:

How long does it take to get my order?
How much is shipping?
What do I do if I need to return something?
How does Chewy get authorization from my vet for prescription items?

Click here to read the FAQ from Chewy

Cat escaping from a flea

​For more information about the fight against fleas in cats, these articles may be helpful.

protect the cat from ticks and fleas,

​Cat Flea Drops Are Easy To Apply

​Cat Flea Drops are an excellent alternative to a flea collar. The drops are easy to apply and last approximately one month.

keep your cat safe from fleas

​What Flea Treatment Is Best For My Cat?

​There are so many different flea treatments for cats.  How do you know ​which one is right or you.  ​

About the Author Rebecca Parker

Hello! I am Rebecca Parker, the content editor of this site. This is my kitty cat in his heyday. He now has diabetes which means twice daily injections and much to his dismay, no more snacking in between meals. This gorgeous and very loved kitty is sadly now deceased, old age caught up with him.