K9 Advantix II vs Seresto

Pet parents are always making decisions to protect their pets. Because keeping your pet happy and healthy is of utmost importance, you’re likely to find yourself choosing the best flea and tick treatment for your dog. Two great options are K9 Advantix II and Seresto. The options might seem endless, but you’re on the right track if you’ve narrowed the choices down to these two fine products! We’ve put together a table and more information to help you make an informed decision.

What makes K9 Advantix II and Seresto different from one another?

For starters, K9 Advantix II is a topical flea and tick treatment. containing Pyriproxyfen, Imidacloprid, and Permethrin, while Seresto is a flea and tick collar with active ingredients of Imidacloprid and Flumethrin. Neither product requires a prescription, and they are both safe for use in puppies and dogs 7 weeks of age and up. K9 Advantix II should be used only on dogs weighing over 4 pounds.

K9 Advantix II is applied monthly, and the Seresto collar can last for up to 8 months. Seresto offers a collar made just for cats, and the canine product is also safe for use in pregnant, breeding, or lactating dogs. K9 Advantix II should not be used on cats or on lactating, pregnant, or breeding dogs.

K9 Advantix II kills fleas within 12 hours. Seresto kills fleas in under 24 hours and kills or repels re-infesting ticks within 6 hours. Both products kill and repel fleas, kill flea larvae and eggs, kill and repel ticks, and treat lice. K9 Advantix II also kills and repels mosquitoes and repels biting flies. Seresto offers the added benefit of sarcoptic mange treatment. Both products are made by Bayer, a trusted name in animal and human health.

Takeaways on K9 Advantix II vs. Seresto

Choosing between these two effective treatment options might be tough, but a few considerations might make your choice clear. Do you prefer a collar that lasts up to 8 months? You’ll want to opt for Seresto. If you would rather apply a topical product each month, K9 Advantix II is the way to go. If your dog is pregnant, breeding, or lactating, K9 Advantix II is the safest choice. If your dog would benefit from protection against biting flies and mosquitoes, you might lean toward that K9 Advantix II. If sarcoptic mange is a concern, Seresto is a great treatment option.

Talk to your veterinarian about these and any other medications you’re considering for your pet. Your vet can answer all your questions, address any concerns you might have, and help you make a great choice for your individual dog. If you find yourself with any lingering questions about keeping your dog healthy, give the Allivet pharmacists a call! They are available to consult pet parents on any product carried by Allivet.

K9 Advantix II for Dogs

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Feature K9 Advantix II Seresto
Kills Fleas Yes Yes
Repels Fleas Yes Yes
Kills Flea Eggs and Larvae Yes Yes
Kills Ticks Yes Yes
Repels Ticks Yes Yes
Repels Mosquitoes Yes No
Prevents Heartworm No No
Other Parasites Lice and Biting Flies Chewing Lice and Sarcoptic Mange
Waterproof Yes Yes
How Long to work 12 hours to kill fleas Kills fleas in 24 hours and repels or kills re-infesting ticks within 6 hours
Taste N/A N/A
Active Ingredient Permethrin, Imidacloprid, and Pyriproxyfen Flumethrin and Imidacloprid
RX Required No No
Application Type Topical Collar
Dosing Monthly application 1 collar lasts up to 8 months
Age Puppies 7 weeks and older and weighing more than 4 lbs. Dogs 7 weeks and older
Manufacturer Bayer Animal Health Bayer Animal Health
Safety Don't apply to cats Breeding, pregnant, and lactating dogs may use.

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