K9 Advantix II Flea & Tick Spot Treatment for Dogs, 4-10 lbs

My little 9-month Maltese puppy had a very bad reaction to this product. After about six hours of applying it, he began to limp, twitch, scratch and fall over when walking. I was terrified. When I called the Bayer hotline, they said it was a pretty common reaction to permethrin one of the ingredients in the product--which gives the dog parasthesia - a tingling sensation -- pins and needles -- like when your foot falls asleep. It isn't life-threatening but it drove my dog crazy for several days. You have to wash the dog several times in dish detergent to get the product off. It may work for some but I would never use it again. Now what to do about ticks?

We used this on a 4 month old, 5 pound puppy on Dec 18th. It was the first time we're trying a non-prescription treatment. Today is Jan 4th (less than 30 days from the previous application) and a day after we've been to the park. I just pulled off two ticks from our puppy. They had biten/attached themselves and were engorged (full of blood). One tick was attached to her belly. Another tick was attached to her back. We haven't had fleas though. Either this works on fleas (and fleas only) or we haven't been exposed to another dog with fleas. So I can't say that whether this treatment works at all, but I can say definitely didn't work for us against ticks.

I first used this product as it was the only one available at the time. Now I will use no other! It is easy to use and works right away as my dogs quit scratching within a couple days. Living on a farm makes them easy pray to fleas and other things as they are close to the ground and I have a lot of tall grass. We are all very happy with this product!

Been using for years. 2 months ago it stopped working. Noticed hardly any liquid in the tube but was afraid to give another dose. Within 28 days he got fleas. Gave him his dose and they were gone in 12 hours. This month; even though I gave him his dose 2 days early and saw the dose saturated his fur, the next day fleas again! Not using anymore. Now have to go to the vet and get advised on what to do! Very disappointed. My male chihuahua is 16 years old and 5lbs he doesn’t deserve this aggravation. Poor baby

Pet parents, please do your research before purchasing this product. Less than 24hrs after application (using as directed) my dog started itching all over and appeared irritated. Soon to follow were full body muscle spasms that would not stop. She then lost hair in multiple areas with one giant spot that opened into a wound. $300 later in vet bills all because of this product. It took over a week for the muscle spasms to subside, however it has been almost a month and my dog is still having skin issues after being treated multiple times. This is apparently not an uncommon issue in small dogs. I would give this negative stars if I could. Buyer beware!

Ordered medicine for "Chica" and, as usual, delivery was quick and just right. Chewy can be counted on exceptional service, product line, and good prices. Thank you, Chewy.

I have used this product for several years. My dogs have never gotten a flea or tick since starting Advantix.

The box came ripped open ( the actual Med packaging) the little tube would not open with the cap opening and I have been using these for years. Had to get a pair of scissors to open the tube then it went all over my pet. Chewy has a damaged batch. Can’t seem to get ahold of anyone about it.

I almost gave up on OTC flea treatment until I tried this. Within three days, all the scratching and chewing stopped.

Chewy is a really easy way to get your pets needs and have them delivered. Never had a problem with order or delivery for years now.