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Description
K9 Advantix II XL Dog Flea, Tick & Mosquito Treatment & PreventionK9 Advantix II Extra Large Dog is the veterinarian recommended formula that helps defend your dog against five pests: fleas, ticks, mosquitoes, biting flies and lice. And unlike other treatments, K9 Advantix II kills and repels fleas, ticks and mosquitoes. K9 Advantix II topical treatment gets straight to work killing fleas on dogs within 12 hours of initial application. This formula stops existing flea infestations and prevents new ones by killing
K9 Advantix II Extra Large Dog is the veterinarian-recommended formula that helps defend your dog against five pests: fleas, ticks, mosquitoes, biting flies and lice. And unlike other treatments, K9 Advantix II kills and repels fleas, ticks and mosquitoes. K9 Advantix II topical treatment gets straight to work killing fleas on dogs within 12 hours of initial application. This formula stops existing flea infestations and prevents new ones by killing adult fleas on contact so they can’t lay eggs and they don’t have to bite your dog to die. Fleas, ticks, mosquitoes and other pests not only cause discomfort; they may also transmit disease. Monthly use of K9 Advantix II is important to protect your dog against fleas that may cause transmission of tapeworms. This formula also kills fleas which may cause Flea Allergy Dermatitis and flea bite anemia. That’s why K9 Advantix II Extra Large Dog topical, spot-on formula makes application simple - going on in seconds. It's easier than a flea collar and there are no hard-to-swallow pills. You’ll also love that K9 Advantix II is fragrance-free and waterproof after 24 hours of application. Check the product label for information on application and potential side effects. K9 Advantix II pest protection is effective on both indoor and outdoor dogs. Your dog should be at least 7 weeks old and weigh over 55 lbs. to use K9 Advantix II Extra Large Dog. For the ultimate convenience in care, K9 Advantix II is available over the counter – no prescription needed. And, you can stock up with 2-dose, 4-dose and 6-dose packs so you never miss a monthly treatment. Once K9 Advantix II is applied, your dog is ready to get right back to big-pup cuddles and racing around the park. K9 Advantix II Extra Large Dog is a trademark of Elanco or its affiliates.
Key Features
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K9 Advantix II Extra Large Dog 30-day treatment & prevention protects dogs over 55 lbs. from fleas, ticks, mosquitoes, biting flies and lice
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Kills fleas within 12 hours of application
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Vet-recommended formula kills & repels on contact so fleas don’t have to bite your dog to die
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Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours
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No prescription needed
Directions for Use
Use only on dogs. DO NOT USE ON CATS or other animals. Do not apply to dogs weighing less than 4 lbs. Remove applicator tube from the package. Use scissors and peel down foil. Hold applicator tube in an upright position. Pull cap off tube. Turn cap around and place other end of cap back on tube. Twist cap to break seal, then remove cap from tube. The dog should be standing for easy application. Evenly apply entire contents of the tube along the top of the dog's back, from the shoulder down to the base of the tail. The number of spots depends on the size and weight of your dog (please refer to the product label). At each spot, part the hair until skin is visible. Place the tip of the tube on the skin and gently squeeze to expel a portion of the solution on the skin. Do not apply an excessive amount of solution at any one spot that could cause some of the solution to run off the side of the dog. Do not get this product in your dog’s eyes, or allow your dog to ingest this product.
Storage Instructions
Store in a cool, dry place inaccessible to children and pets. Protect from freezing.
Active Ingredients
Imidacloprid, Permethrin, Pyriproxyfen
Product Form
- Topical
Pet Size
- Extra Large
Pet Lifestage
- 7 weeks and older
Pet Weight
Over 55 lbs
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Great gift.
Format: Paperback
Gave it as a gift and he loved it!!! It was a big hit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
CLASSIC SPACEMAN SPIFF
Format: Paperback
I loved this book as a kid and I wanted to share the joy with my own family. My stepdaughter dove right in and cuddled up with this under a blanket with a flashlight, even after lights out; which is the perfect way to read this. I can't wait to buy all the books to have in my own house and have the kids learn the elusive rules of Calvin Ball. Buy it, even if you read it in the past, it still holds up and is great today.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 7, 2024
★★★★★ 5
Calvin and Hobbes, we love you!
Format: Paperback
Bought this for my 7 year old who loves comics, and its been a hit! It was nostalgic for me, and so fun to have him excited to read it each morning. He has read it in it's entirety 4 days in a row now. He was a little disappointed that it was not in color, but got over it quickly! I think this is a great one for those kids who feel like reading chapter books can be daunting. Starting with comics is the way all of my kids have caught the reading bug. Old school comics are the way to go!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 30, 2024
★★★★★ 5
Always makes me feel good!
Format: Paperback
I love "Calvin and Hobbs" and I'm a 79/year old grandma. Always makes me feel good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2026
★★★★★ 5
Love C+H
Format: Paperback
I got this, and all the other Calvin + Hobbes books for my dad, as he used to have a lot of them before my ex stepmother took them in their divorce a few years ago. I grew up stealing those books from him to read, and we had a lot of good memories around those books and reading them together. He loved them, and the comics are still as amazing as I remember them being <3
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2024
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