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Description
K9 Advantix II Flea, Tick & Mosquito Treatment & Prevention for Medium DogsK9 Advantix II Medium 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 Medium 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 Medium 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 11-20 lbs. to use K9 Advantix II Medium 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 Medium Dog is a trademark of Elanco or its affiliates.
Key Features
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K9 Advantix II Medium Dog 30-day treatment & prevention protects dogs 11-20 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
- Medium
Pet Lifestage
- 7 weeks and older
Pet Weight
11-20 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 1569 reviews
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Product Reviews
★★★★★ 5
Clean, lint -free rounds that hold together.
Size: 300 Count
I have purchased these organic cotton rounds at least twice now and they are easy, inexpensive, clean and great for a ton of uses, but especially for cleaning around the eyes without leaving any lint in my eyelashes. When you wet them, they do not fall apart, but are still soft. I highly recommend them.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Very gentle for the face
Size: 300 Count
I use this brand for the last couple of years and its really good, soft.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Say goodbye to pesky bites!
Size: 1 Count (Pack of 12)
I recently tried the Mosquito Bracelets, and they have become a must-have for any outdoor adventure. Here’s why I highly recommend these DEET-free, natural, and waterproof bands:
These bracelets are impressively effective at keeping mosquitoes at bay. Whether I’m hiking, camping, or just relaxing in my backyard, I’ve noticed a significant reduction in mosquito bites. The natural ingredients used in these bracelets provide a strong and pleasant scent that mosquitoes seem to hate, making them a reliable option for outdoor protection.
One of the standout features is that these bracelets are DEET-free, making them safe for everyone, including children and those with sensitive skin. They are made with natural ingredients, which gives me peace of mind knowing that I’m not exposing myself or my family to harsh chemicals.
The waterproof feature is a game-changer. I can wear these bracelets while swimming, sweating, or during rainy weather without losing their effectiveness. This durability ensures that I stay protected in various conditions, making them perfect for summer activities and trips to the beach or pool.
Each bracelet is individually wrapped, which is incredibly convenient. I can easily toss a few in my bag, car, or camping gear without worrying about them losing potency. The individual packaging also makes them perfect for sharing with friends and family during outings.
The bracelets are soft, flexible, and comfortable to wear. They are adjustable to fit any wrist size, which is great for both adults and kids. I’ve worn them for hours without any discomfort, and they don’t irritate my skin.
I was pleasantly surprised by the longevity of these bracelets. Each band provides up to 72 hours of protection, which is fantastic for extended outdoor activities. This long-lasting feature means fewer replacements and more continuous protection.
Considering the effectiveness, natural ingredients, and convenience, these mosquito bracelets offer excellent value for money. The 12-pack ensures I have enough to last through multiple outdoor adventures or to share with others.
In summary, the Mosquito Bracelets are a fantastic solution for anyone looking to stay protected from mosquito bites naturally and comfortably. Their effective repellent properties, DEET-free composition, waterproof design, convenience, comfort, long-lasting protection, and great value make them a top choice. I highly recommend these bracelets for their overall quality and performance.
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Reviewed in the United States on November 26, 2024
★★★★★ 5
Highly recommend
Size: 1 Count (Pack of 1)
Worked great mosquitoes leave me alone
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Worth a try
Size: 1 Count (Pack of 12)
Not perfect protection, but fewer mosquitos in the past two weeks. I use them in my study where I'm most likely to sit still -- one down low on my desk chair (reduces ankle bites), one on a door knob, one on a corner of my desk. I don't wear them often because I find them uncomfortable. Can't report yet how long they last. Odor is not overwhelming or unpleasant.
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Reviewed in the United States on September 30, 2025
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