Amazon Basics Preventative Topical Flea Treatment for Large Cats (Over 9 Pounds), 6 Count

Great very effective inexpensive flea treatment. I have 3 cats that do go outdoors through the doggy door into the back yard so I needed some flea meds that work but didn't break the bank and this brand delivers. I have been using it for quite some time before i did my review just to make sure it held up to what I needed. It did. I have never once seen a flea on any of my fur babies. Great product for the value and easy to use. Zero irritation and it soaks right into their fur and doesn't leak. The packaging is durable, you will need scissors to open the package.

We get fleas in the late fall where I live instead of the summer and all our pets were bothered this year. We are on a very tight budget and wanted something inexpensive that hopefully worked. We treated 4 cats aged 3-16 with this. Tested them with a flea comb three days after applying, and there were no more fleas! I have also purchased Amazon's dog formula that also worked great. No side effects. Could be easier to use like a tube like some brands instead of a hard square does not squeeze out quickly, but that is my only complaint. Smells strong but only for about 24 hours.

Effectiveness is highly questionable, gets them scratching and digging, but killing and repelling, hours and days later, is rather dubious. I was wrong in my original opinion, fleas were virtually eliminated by day ten.

Used yesterday on my indoor cat who had been scratching a lot and had fleas - I applied in the evening, and the next morning the bag she had slept on was entirely covered in dead/dying fleas. I counted 17 (!!) And she was no longer scratching! Super effective and great price.

After only about 8 hours, the fleas were dropping off my cat. Either the fleas were dead already or clearly twitching out, about to die. I believe flea meds are designed to attack the flea’s nervous system, causing paralysis and death, and it definitely appears to be doing just that. Easy to apply, just be sure to put the drops between the shoulder blades where your cat can’t lick it off.

This did not work on my cat and ended up with an allergic reaction. Still had fleas a few days later.

Great cat flea medicine that works well and costs a lot less than the expensive brand name flea meds. I used to use advantage and one other one that can get super expensive when you have 3 cats like I do. So overall I definitely recommend it.

I ordered this product on October 2025 and am noticing it is not working as it normally works. It is simply not getting rid of fleas. I looked for an expiration date and learned these products don't have expiration dates, but do have a manufacture date. I also learned the chemicals in the product do lose effectiveness over time and they recommend the product be used within 2-3 years after manufacture. Well, the manufacture date on the box is "21Sep11", which means it was manufactured on Sept 11, 2021 and it is now over 4 years old. This could explain some of the negative reviews. I will order this product one more time and if I get a manufacture date older than two years, I will return it for another. If I keep getting old products, I will simply buy a different product. Unfortunately, I cannot return the current, defective product since it is beyond the return window.