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K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21-55 lbs. | 2-Mo Supply (Packaging may vary)

K9 AdvantixApply monthly for best results.Flea, Tick & Grooming CareFlea Prevention

K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21-55 lbs. | 2-Mo Supply (Packaging may vary)

K9 Advantix II is a vet-recommended topical treatment designed to protect large dogs from fleas, ticks, and mosquitoes. It's easy to apply and provides a two-month supply for ongoing protection.

Price
$35.68
Rating
4.4 / 5
Reviews
44,000

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Care Profile

Materials and care signals

Highlighted product signals from the available product profile.

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Product Fit

Best-fit signals

Apply monthly for best results.
Best For

Primary shopper use-cases identified from product data.

Pet owners looking for effective flea and tick prevention for large dogs.
Health & Care Goals

Main needs or product-fit signals this product may support.

Flea PreventionTick PreventionMosquito Prevention
Pet Type Fit

Shown only when pet-type fit is available.

Dogs
Life Stage Fit

Shown only when life-stage fit is available.

Adult
Not Ideal For

Potential mismatch notes when available.

Dogs under 21 lbs or over 55 lbs.Cats or other pets.

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Last updated June 4, 2026. PetCareRange organizes this page for shopping comparison using product details, category fit, price, rating, review signals, and available product profile data.

Retailer page is the final source for price and availability
Affiliate links may earn commission at no extra cost
AI-assisted summaries are for shopping research
Product information is not veterinary advice