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Description
K9 Advantix II Flea, Tick & Mosquito Treatment & Prevention for Large DogsK9 Advantix II 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
K9 Advantix II 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 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 to use K9 Advantix II Large Dog. For the ultimate convenience in care, K9 Advantix II is available over the counter – no prescription needed. 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 Large Dog is a trademark of Elanco or its affiliates.
Key Features
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K9 Advantix II treatment & prevention protects dogs 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
- Large
Pet Lifestage
- 7 weeks and older
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
4.8 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Works well.
These work great and ate easy to use.
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Great product, great company!
Size: 1 Ounce (Pack of 1), Size: 1 Ounce (Pack of 1)
I found some of this years ago and loved it. Ran out, couldn't figure out where to find more then this last Christmas my mother gives me some of the rose salve and I remembered how much I loved the lotion. So as I was looking for more of the rose salve (also AMAZING) I got some of the lotion. It goes on really light feeling, but has some serious softening abilities. I use the salve on my knuckles first then use like a Chick-pea size amount of the lotion overnight and my hands are great the next day, especially considering how much I've been washing my hands and using hand sanitizer these last few weeks. It smells like lemon meringue pie, and is more lightly perfumed than BBB stuff (which I love since I'm prone to headaches). I love CO Bigelow products, have yet to try one I dislike. I use the overnight lip balm in the winter or during colds when my lips crack and dry the most. I use the rose salve for my regular daytime lip balm (stuff is the duct tape of the salve world, no joke!) and for extra relief on any dry skin.
Some might argue it's a little expensive for the size you get, but you don't need much of any of them so they last forever. I still have half a tube of rose salve lip balm from Christmas and I use it every day, several times. They all smell good, they all feel really clean on, they do what they're supposed to without adding products (like glycerin) that will cause further dryness or chapping. Thank you so much, CO Bigelow for making so many quality products and being so consistent with the quality for so long. Fan for life here!
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Reviewed in the United States on March 10, 2020
★★★★★ 5
Consistent Quality
Size: 1 Ounce (Pack of 1)
I've used this off and on for years and it's my favorite. I'm extremely picky with things I slather on my skin, and usually make my own from balms, oils, lotions etc. from scratch..with herbs infused for deep healing of skin and muscles. I didn't make enough this year so had to turn to store-bought. I'm not a fan of too many ingredients, and this lotion has more than I prefer, but it works really well if I need it. Winter skin, hands after doing dishes, etc..this lotion fixes it. It goes on, absorbs fast and feels light. The smell is great too. It's not overpowering and doesn't give me a headache like 99% of scented things do. I love this stuff, only wish it was cheaper. It's great, but the ingredient list isn't very good; it doesn't cost a fortune to make this.
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Reviewed in the United States on January 11, 2024
★★★★★ 5
Best hand lotion I have ever used
Size: 3 Ounce (Pack of 1)
This lotion is great. Smells lemon fresh. It doesn’t leave your hands greasy or like they have a layer of lotion on them. Goes right into skin no sticky residue.
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Reviewed in the United States on February 24, 2025
★★★★★ 4
MAKES HANDS SOFT AND SMELLS GREAT, BUT TOO SMALL!!
Size: 1 Ounce (Pack of 1)
Purchased BIgelow lotions and soaps. Love the lemon scent. I purchased this, thinking I was getting a larger tube. Not happy with the size and price of this. I will shop better next time--and Bigelow loses a star. Nice product!
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Reviewed in the United States on February 19, 2024