K9 Advantix II vs Capstar

One of your most important roles as a pet parent is keeping your dog healthy. Choosing the right flea and/or tick treatment can prove difficult because of the broad range of products available. Two of the best-loved options include K9 Advantix II and Capstar. Each formula offers safe and reliable protection, but they also carry their own unique set of advantages. The differences between these medications might help you make the right choice for your dog. The table and information that follows might help with your decision!

What are the key differences between K9 Advantix II and Capstar?

These two products are unique and work in very different ways to protect your pet. Capstar is safe for use in cats or dogs. It is intended to be used as needed (as frequently as once a day) to eradicate existing flea infestations. K9 Advantix II is made only for dogs, and it is administered monthly to kill and repel fleas, ticks, and mosquitoes, kill flea larvae and eggs, repel biting flies, and treat lice.

Capstar is safe for use in pregnant, breeding, and lactating dogs. It is a chewable oral medication, and it can be used in dogs and puppies weighing 2 pounds and over the age of 4 weeks. It contains Nitenpyram to effectively kill 90% of fleas within 4 hours.

K9 Advantix II is safe for puppies over 4 pounds and 7 weeks old. It is a topical flea and tick treatment containing Pyriproxyfen, Imidacloprid, and Permethrin. It kills fleas within 12 hours. Both products are readily available over-the-counter.

Choosing between K9 Advantix II and Capstar

Your decision might be as simple as choosing the oral administration of Capstar or the topical application of K9 Advantix II, or it might involve more considerations than just convenience. For example, does your dog require ongoing protection against fleas, ticks, and more? If so, K9 Advantix II is a great choice. If your pet is dealing with an existing infestation, Capstar is an ideal way to eradicate the infestation. Your veterinarian might even suggest administering both products simultaneously - but be sure you ask for veterinary approval before combining any two medications.

After you’ve consulted your veterinarian, you’re ready to start protecting your dog against harmful parasites. If you find yourself with any additional concerns or questions, the Allivet pharmacists are available to consult pet parents about any Allivet product!

K9 Advantix II for Dogs

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Capstar for Dogs

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Feature K9 Advantix II Capstar
Kills Fleas Yes Yes
Repels Fleas Yes No
Kills Flea Eggs and Larvae Yes No
Kills Ticks Yes No
Repels Ticks Yes No
Repels Mosquitoes Yes No
Prevents Heartworm No No
Other Parasites Lice & Biting Flies No
Waterproof Yes Yes since taken orally
How Long to work 12 hours to kill fleas Kills 90% of fleas in 4 hours
Taste N/A No flavor
Active Ingredient Permethrin, Imidacloprid, and Pyriproxyfen Nitenpyram
RX Required No No
Application Type Topical Chewable Tablet
Dosing Monthly application Safe for as often as once per day
Age Puppies 7 weeks and older and weighing more than 4 lbs. Dogs 4 weeks and older that weigh at least 2 pounds
Manufacturer Bayer Animal Health Elanco
Safety Don't apply to cats Breeding, pregnant, and lactating dogs may use.

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