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K9 Advantix K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses

K9 Advantix

K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses

K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses is a vet-recommended flea, tick, and mosquito treatment for dogs. Priced at $46.89, it offers long-lasting protection and water-resistant formula ideal for active medium-sized dogs in warm climates.

$46.89

● In stock

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Key features

  • Kills fleas, ticks, and mosquitoes
  • Water-resistant 'Aqua' formula
  • Repels biting flies and lice
  • Monthly topical application
  • For dogs 11-20 lbs only
  • 4-month supply included
  • Contains imidacloprid and permethrin

Pros

  • +Fast-acting on contact
  • +Long-lasting 4-week protection
  • +Effective after swimming
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Cons

  • Not safe for cats
  • Requires monthly application

About K9 Advantix K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses

What is K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses?

K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses is a topical parasiticide designed for dogs weighing 11 to 20 pounds. This monthly treatment effectively kills fleas, ticks, and mosquitoes, while also repelling biting flies and lice. Formulated with imidacloprid, permethrin, and pyriproxyfen, it provides broad-spectrum protection for up to four weeks per application. The 'Aqua' designation indicates a water-resistant formula, making it suitable for dogs that swim or are bathed regularly. Each pack contains four pre-filled applicators for continuous protection over four months.

Key features

  • Effective Protection — Kills fleas, ticks, and mosquitoes on contact, preventing infestations.
  • Water-Resistant Formula — Stays effective after swimming or bathing, ideal for active dogs.
  • Repels Biting Insects — Deters mosquitoes and biting flies, reducing disease risk.
  • Monthly Application — Easy-to-use topical dose applied once per month.
  • For Medium Dogs — Specifically dosed for dogs 11-20 lbs to ensure safety and efficacy.
  • 4-Dose Supply — Provides four months of continuous protection.
  • Trusted Brand — Manufactured by Bayer, a leader in veterinary parasite control.

Who is K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses for?

This product is ideal for owners of small to medium-sized dogs that spend time outdoors, especially in areas with high flea and tick activity. It’s best suited for dogs that swim or are bathed frequently, thanks to its water-resistant properties. Not for use on cats or dogs under 7 weeks of age. Pet owners seeking reliable, long-term insect protection will find this a dependable solution.

How does K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses compare?

Compared to standard polypropylene flea collars, K9 Advantix offers broader pest coverage and faster kill times. Unlike oral chews that require daily dosing, this topical solution lasts a full month per application. It outperforms generic spot-ons in efficacy due to its dual-active ingredient formula. However, it’s not safe for households with cats, unlike some cat-safe oral alternatives. For medium dogs needing robust, weather-resistant protection, it stands out among monthly treatments.

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Best use cases

  • Dogs in tick-prone areas
  • Frequent swimmers or bathed dogs
  • Outdoor activity in warm months
  • Preventing flea infestations
  • Mosquito bite protection
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Is K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses right for you?

Ideal for dog owners seeking reliable, monthly parasite protection for small to medium dogs. No special skills needed—just apply topically once a month. Best for active dogs exposed to ticks and mosquitoes. Alternatives include oral chews or collars, but this offers faster kill times and water resistance.

How it compares: Outperforms basic flea collars and generic spot-ons with faster kill times and repellency. Unlike oral treatments, it doesn’t require daily dosing. Not cat-safe, so households with felines should consider alternatives.

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Frequently Asked Questions

What does K9 Advantix for medium dogs protect against?

K9 Advantix protects dogs 11-20 lbs from fleas, ticks, mosquitoes, biting flies, and lice. It kills pests on contact and repels them, reducing disease risk and infestations.

Does K9 Advantix Aqua work after swimming?

Yes, the Aqua formula is water-resistant and remains effective after swimming or bathing, though excessive exposure may reduce performance. Reapply monthly for best results.

How often should I apply K9 Advantix to my dog?

Apply one dose monthly for continuous protection. Each 4-dose pack covers four months. Consistent timing ensures maximum effectiveness against fleas and ticks.

Is K9 Advantix safe for cats?

No, K9 Advantix contains permethrin, which is toxic to cats. Keep treated dogs away from cats until the application site is dry, and never use on felines.

Can I use K9 Advantix on puppies?

K9 Advantix is safe for puppies 7 weeks and older. Do not use on younger puppies. Always follow weight-based dosing to ensure safety and effectiveness.

How much does K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses cost?

K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses is $46.89 at Budget Pet Care. Prices may change — click through to Budget Pet Care for the latest.

Is K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses in stock at Budget Pet Care?

Yes, K9 Advantix Medium Dogs 11-20 Lbs (Aqua) 4 Doses is currently in stock at Budget Pet Care.

Are there coupon codes for Budget Pet Care?

Yes — Love Those Deals currently tracks 4 active Budget Pet Care coupons. See the coupons section on this page to copy a code before checkout.

Specifications

Brand
K9 Advantix
Product Type
Animals & Pet Supplies > Pet Supplies > Pet Flea & Tick Control
Category
Animals & Pet Supplies > Pet Supplies > Pet Flea & Tick Control
SKU
3914
GTIN
896762595539
MPN
K9-Advantix-64
Last updated Apr 28, 2026