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Flea3X for Cats Review (discontinued)

Flea3X for Cats Review (discontinued)


It’s tough to find a good flea treatment for cats because that finicky feline has a system that’s as picky as he is.

Many of the flea products that work on dogs can’t be used on cats because of their delicate nervous systems. Cats simply can’t process many of the pesticides fast enough to keep them from causing damage.

So how do you know which products will protect your beloved kitty without hurting him?

That’s what we’re here for! We’ll review products, find out what’s in them, and let you know what other users have experienced so that you can make an informed decision about your flea control products.

Today we’re going to look at Flea3X for Cats, a PetMeds product designed to rival Frontline Top Line.

Company Claims

So what does PetMeds have to say about Flea3X? Their product supposedly safely kills and repels the following:

  • Fleas
  • Ticks
  • Lice
  • Mosquitoes

They say that it’s waterproof. The treatment comes in a 3-month supply packaged in individual doses. It’s guaranteed to work.

Active Ingredients

  • Fipronil

How it Works

Fipronil is a neurotoxin that blocks neural pathways in the insect’s brain, causing hyperexcitability that leads to death. The flea doesn’t have to bite the cat in order to die.

Fipronil is supposedly less water-soluble than other pesticides and therefore lasts longer.

What Are Users Saying?

Reviews on this product are actually pretty good. It seems that about 2/3 of users really like it, while 1/3 say that it has no affect at all. The good thing is that even the people who report no results don’t report any negative side effects or reactions.

Usage Information

Flea3X is made for cats and kittens 8 weeks and older of all weights. Don’t use on broken or irritated skin. Spread the fur between the shoulder blades and apply all of the tube directly to the skin.Wash your hands after applying.

Product Warnings and Side Effects

Cats may experience minor irritation at the application site. If it doesn’t go away, try bathing your cat in warm, soapy water. If it gets worse, talk to your vet. Flea3X can be used on pregnant and nursing cats.


Flea3X seems to be a good product to use if your cat isn’t heavily infested. If he is, then you should start with an aggressive flea eradication program for your home and yard as well as for your cat, then begin a monthly spot on program when you’ve got the infestation under control.

Click here to find great deals on Flea3X for cats.

If you’ve used Flea3X on your cat for fleas, please let us know how it worked for you in the comments section below.

2 Responses to “Flea3X for Cats Review (discontinued)”
  1. Joce says:

    I used Flea3X on my cat yesterday, and he died today. The topical affected HIS nervous system. A few hours after applying he could no longer walk. I washed it off as well as I could. He panted, his little heart raced, and he could only lay down and cry. I took him to the vet as soon as they opened but there was nothing they could do.

    • Carrie says:

      Oh my god I am so sorry to hear that. I’ve been using this product for 2 “seasons” now and just yesterday my cat was literally walking 4 steps and had to lay down. She’s had issues with flea topicals many many times but thus was the first time I was actually scared….it’s been 16 hours since the application and she’s walking and eating but she’s still very …I don’t kniw….like she’s too sore to walk. I cant even touch her belly-butt without her growling at me. I never knew this stiff could be so toxic to cause death and I’m really still quite nervous about her condition. I am going to call my vet as soon as they opwn. Once again I am truly sorry for you loss

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