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The Best Flea Collars For Cats

Finding the best flea collar for your cat usually happens after the fact. First, your cat starts to act weird. Then you start to notice more and more changes with your cat. Next thing you know, you’re sitting in the vet’s office, and you find out your furball has a nasty case of fleas.

Sure, you could try different medications or maybe some spot-on creams. However, we all know prevention is the best medicine. You need to get a flea collar for your furball before a visit to the vet is required. You need to eliminate the possibility of these pesky buggers before your cat become inflicted. Here’s a quick overview of our top 3 picks:

What Are Cat Flea Collars?

Cat flea collars aren’t complex items at all. No, they’re kind of simple really. These collars look like a regular collar you’d put on your cat, but they actually have another practical function. They can be used to kill all the ticks and fleas on your animal.

All you have to do is tie a cat flea collar on your feline, and your pet will be flea free before you know it and for a lifetime. These products work really well – if you know which brand and collar to buy. Luckily, that’s what we’re here for.

How Do Flea Collars Work?

cat with fleas
You know what flea collars are designed to do. Now we’ll explain how they work. As of 2017, there are two different types of flea collars. Both are intended to do the same things, but one uses a toxic gas and the other releases a dissolving substance to get the job done.

Many popular collars release a toxic gas that immediately kills any and all ticks and fleas on your cat’s body. The gas also dissuades other fleas from coming near your cat, as most animals don’t want to die. These gasses have been proven to not have any real effect on your cat’s health.

The other type of flea collar for cats uses a substance that removes the fatty layer of skin on your cat and proceeds to kill any ticks and fleas throughout the process. Many consider this more efficient than toxic gasses. As well, this seems to be the safest method for your cat’s health. As such, most of the better cat flea collars operate in this manner.

What to Look For in the Best Flea Collars For Cats?

You know you want to keep fleas away from your furry friend. But there are other benefits to look for when buying flea collars for cats. Here are a few features you’ll want to look for before you buy:

  • Pay Attention

First and foremost – every cat will react to these collars differently. It’s paramount you pay close attention to your feline when you first put this collar around their neck. Some cats don’t like having these collars on their necks. While exceptionally rare, we have heard of cats panicking when they first use them.

  • Break Away

Cats like to climb and play. They’re frisky animals that can be curious and enjoy playing. As such, you’ll need to buy a flea collar that can break away if it needs to. What if your cat was caught dangling from a tree? If the collar didn’t break away, you furry friend could pass away. That’s a horrible image and not one I want to think about. As such, we only recommend cat flea collars with breakaway features.

  • Avoid Toxic Gases

While there are collars that use toxic gasses to kill fleas, we found these models to be cheap and not as good as other types. Unless budget is your only concern, we recommend steering clear of these models. Your cat will certainly thank you!

Alright, so you know a little bit more about flea collars for cats now. Let’s dig in and look at some of the models we tested. After looking at and testing a few dozen models, these were the three best flea collars for cats we found. Take a look:

1. Bayer Seresto Flea and Tick Collar

All the vets I’ve talked to confirmed my decision, the Bayer Seresto Flea and Tick Collar is the best model on the market. After testing, my cat and I absolutely loved this collar. The product is exceptionally efficient at riding your furball of fleas and ticks.

The collar lasts up to eight months and is easy to use. You won’t have to deal with a grease or odor with this model, either. Many cat owners use this product for preventative medication, as the Bayer Seresto kills fleas already on your cat and keeps them away, too.

bayer seresot flea collar


  • Best flea collar for cats available
  • Exceptionally efficient flea collar
  • No side effects on your cat
  • Preventative flea-management
  • Kills both fleas and ticks
  • Works up to eight months
  • Healthier for your feline than oral medications



  • This product is relatively costly
  • Certain breeds of cats may get diarrhea during the first few days wearing this collar

2. ProGUARD+ Flea & Tick Collar

Coming in second place, the ProGUARD+ Flea & Tick Collar is another exceptional model. The product is efficient and safe. When your furry friend wears this flea collar, they’ll find complete protection from pesky fleas and ticks for up to six months.

This ProGUARD+ product is made of cat-safe chemicals and has shown no side effects for the vast majority of cats. Made for cats of all sizes – this collar can be adjusted from 7-15 inches, depending on the size of your cat and the breed.

proguard+ collar


  • Sized for cats of all breeds and sizes
  • Made of safe, clean chemicals
  • 100% effective for up to six months
  • Can be used in conjunction with oral medications
  • Incredibly effective and efficient at ridding your cat of fleas and ticks



  • Still a fairly high priced collar
  • Contains chemical that can be toxic to fish
  • Can smell bad, especially in the beginning

3. Hartz Ultra Guard Plus Flea & Tick Collar

If you’re looking for a cheap flea collar for cats, then the Hartz Ultra Guard Plus Flea & Tick Collar is the absolute best option we tested. The model is said to efficiently kill fleas and ticks for up to seven months.

hartz ultraguard collar


  • Strong, efficient flea collar for your furry friends
  • Breakaway collar ensures safety for your pet
  • Crazy cheap compared to other similar models



  • Strong smell
  • Can be overpowering and cause your cat some small side effects
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