Effective Flea, Tick & Mosquito Prevention with K9 Advantix II XL

Rated 5 out of 5 based on 1 customer rating
(8 customer reviews)

$79.89

  • K9 Advantix II XL provides flea, tick, mosquito, biting fly, and lice protection for dogs over 55 lbs
  • Kills fleas within 12 hours and repels them on contact, preventing bites
  • Easy-to-apply, fragrance-free topical treatment that becomes waterproof after 24 hours
  • No prescription required for purchase
  • Suitable for dogs aged 7 weeks and older; not for use on cats or other animals
  • Each package includes a 6-month supply with six 30-day treatments
  • Manufactured by Elanco US Inc, with origins in Germany
    SKU: B004QRJJ0K Category: Brand:
    Last updated on January 25, 2025 1:49 am Details

    In-Depth Review of K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention

    K9 Advantix II XL is a topical treatment specifically designed for dogs weighing over 55 lbs. This product has gained popularity among dog owners and veterinarians alike for its ability to provide effective protection against fleas, ticks, mosquitoes, and other biting insects. In this review, we will explore the efficacy, application process, safety, and overall value of K9 Advantix II XL.

    Efficacy of K9 Advantix II XL

    Fast Acting Formula

    One of the standout features of K9 Advantix II is its rapid action against fleas. It claims to kill fleas within 12 hours of application, which has been corroborated by numerous testimonials from satisfied customers. Many dog owners have reported significant improvements in their pets’ comfort soon after use. In instances of flea infestations, users noted that their dogs displayed noticeable relief from itching and irritation shortly after the product was applied.

    Comprehensive Protection

    K9 Advantix II is not limited to fleas. It also effectively repels and kills ticks, mosquitoes, biting flies, and lice. This broad-spectrum protection is particularly beneficial for pet owners residing in areas prone to these pests. For example, customers living in Northern New York, where ticks are prevalent, have praised the product for its reliability during outdoor activities like hiking.

    Long-Lasting Effects

    The treatment provides protection for approximately 30 days, making it a convenient option for busy pet owners. With a six-month supply included in the package, dog owners can easily keep their furry friends safe from parasites with minimal effort.

    Application Process

    Simple and User-Friendly

    The application process for K9 Advantix II XL is straightforward. The product comes in a tube, and the directions are clear: apply the entire contents of the tube to four to six spots along the dog’s back. This method minimizes the chances of over-application and ensures even distribution across the dog’s skin.

    Most users have reported that their dogs tolerated the application well, showing no signs of discomfort or irritation during or after the process. Additionally, the treatment is waterproof after 24 hours, allowing dogs to enjoy their usual activities without concern.

    Recommendations for Use

    It’s crucial to follow the application instructions carefully. The product is specifically designed for dogs and should never be applied to cats or other animals. This attention to detail is essential for ensuring the safety and effectiveness of the treatment.

    Safety and Side Effects

    Vet-Recommended Formula

    K9 Advantix II XL is formulated based on veterinary recommendations, which adds a layer of trust for pet owners. The ingredients are designed to target parasites effectively while prioritizing the health of the dog. Most users have reported no adverse reactions, and many have used the product for years with great success.

    Concerns and Considerations

    While the majority of reviews are positive, some users have expressed concerns about changes in the product’s consistency and efficacy over time. Instances of thinner formulations that did not adhere well to the dog’s skin have been noted, leading to an increase in flea presence. This inconsistency can be worrisome for long-time users who rely on the product for effective pest control.

    Overall Value

    Cost vs. Benefit

    K9 Advantix II XL is priced at a premium compared to some other flea and tick treatments on the market. However, many users believe the cost is justified given the effectiveness and reliability of the product. For dog owners who live in high-risk areas for fleas and ticks, investing in a trusted treatment can save money and heartache in the long run.

    User Testimonials

    The testimonials from dog owners highlight the product’s benefits and effectiveness. Most users report that K9 Advantix II XL has helped keep their pets free from fleas and ticks, allowing for a happier and healthier life. However, mixed feedback regarding recent changes in product formulation suggests that potential buyers should stay aware of the latest reviews and experiences.

    Conclusion

    K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention stands out as a strong option for dog owners seeking reliable pest control for larger breeds. With its fast-acting, long-lasting formula, and ease of application, it has garnered a loyal following among pet parents. Despite some mixed reviews regarding recent formulation changes, the overall consensus remains positive.

    Overall Rating: 4.5 out of 5

    While K9 Advantix II XL is not without its issues, particularly concerning formulation consistency, its proven effectiveness in protecting dogs from a wide range of pests makes it a recommended choice for many dog owners. For those living in areas with high parasite exposure, this product is definitely worth considering.

    Item Weight

    0.1 Pounds

    Department

    Flea & Tick

    Manufacturer

    Elanco US Inc

    Country of Origin

    Germany

    Item model number

    81520429

    Date First Available

    March 20, 2007

    Item Package Dimensions L x W x H

    6.65 x 4.37 x 1.42 inches

    Item Dimensions LxWxH

    7.75 x 1 x 4.25 inches

    Brand Name

    K9 Advantix

    Target Audience Keyword

    dogs

    Directions

    Application Instructions: 1. Use only on dogs. DO NOT USE ON CATS or other animals. 2. The dog should be standing for easy application. Evenly apply the entire contents of the K9 Advantix® II tube to four to six spots on the top of the back from the shoulder to the base of the tail. 3. At each spot, part the hair until the skin is visible. 4. Place the tip of the tube on the skin and gently squeeze to expel a portion of the solution on the skin. 5. 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. 6. Do not get this product in your dog’s eyes, or allow your dog to ingest this product.

    Model Name

    K9 Advantix II

    Color

    Extra-Large Dog only

    Size

    6-Pack

    Age Range Description

    7 weeks and older

    Number of Items

    6

    Style

    XL Dog only

    Breed Recommendation

    Extra Large

    Specific Uses for Product

    Parasites

    8 reviews for Effective Flea, Tick & Mosquito Prevention with K9 Advantix II XL

    1. Rated 5 out of 5

      Amazon Customer

      I’ve been using this product for years with all my dogs, and it performs excellently.

    2. Rated 5 out of 5

      Rebecca

      I purchase two boxes each year for my four dogs, and the product works great!

    3. Rated 3 out of 5

      sanningen

      I’ve usually had great experiences with this brand, but this time it didn’t deliver. Everyone is still itching and uncomfortable.

    4. Rated 4 out of 5

      Amazon Customer

      I’ve used this product for years with excellent results, but the last box I purchased felt different. It was very watery and dripped right off my dog. After a week, I found four fleas on him. I’m concerned about what changed, and I won’t be buying it again if this isn’t addressed.

    5. Rated 5 out of 5

      Carol Liubicich

      I’ve struggled with chronic Lyme disease throughout my adult life and was recently exposed to a new infection. I wouldn’t wish this on my dogs or any dog. While humans can express when they feel unwell, dogs tend to hide their discomfort, which means by the time we notice a dog has Lyme disease or another tick-borne illness, significant harm may have already occurred. The same goes for fleas and the diseases they transmit (let’s not forget that fleas were responsible for the Black Plague). Plus, there’s Eastern Encephalitis and other diseases spread by mosquitoes.

      I have my doubts about the chemicals in this product. I treated my two dogs with preventive measures for most of their lives, and both lived longer than their expected lifespans. We were active together, and I fed them only the best organic food. My cat, who I also treated, lived to 23. Although I haven’t personally spoken to anyone whose pet had a bad reaction, I’ve seen some negative reviews. It’s definitely a gamble, requiring careful risk assessment.

      Here’s a concerning fact: about 73% of tick bites happen in yards or parks, likely because most people tend to stay where they can “touch the grass” rather than venturing into the woods. To add to that, most tick-borne diseases are transmitted by tiny nymph stage ticks. Good luck spotting something smaller than a sesame seed on your dog and removing it.

      I refuse to let my dogs face exposure without protection. As long as they aren’t showing immediate negative reactions, I consider the risk acceptable. I keep them healthy with good food, regular activity, and plenty of hydration, all while hoping for the best.

      Ultimately, we must make the best decisions for our beloved pets. Nothing is guaranteed, but we can only provide them—and ourselves—with the best chances to thrive. If humans could tolerate these products, I would gladly take on the risks after dealing with Lyme disease and its co-infections for most of my life. I plan to continue using this product for my dogs until something better comes along.

    6. Rated 5 out of 5

      Carol Liubicich

      I have two labradoodles that have been using this brand for tick and flea protection, and at 3 years old, they’re not large dogs. This product is reliable and keeps my dogs well protected.

    7. Rated 5 out of 5

      Michael P Preston

      This product is easy to apply and lasts around 30 days. It effectively keeps my five dogs tick-free, which is crucial since I live in Northern New York near Canada, where ticks are common. I enjoy hiking in the woods with my pups, and this product performs exceptionally well. Although it’s a bit pricey, it delivers great results.

    8. Rated 5 out of 5

      HisLioness

      I just applied this product on my dog for the second time, and I couldn’t be happier—no more fleas! My dog is back to being his cheerful self. We had a serious flea infestation, and my poor pup had bites all over, especially on his rear end. He was so uncomfortable and constantly crying. I tried various other products, but none of them worked and they were quite pricey.

      Finally, I found a product that actually delivers on its promises! It was so easy to apply—just a few drops from his shoulder blades to the tail. My dog didn’t have any issues with the application, and it clearly doesn’t sting because he was perfectly fine. The fleas are completely gone now.

      For your information, we have multiple indoor cats, including kittens, and they also had fleas. Getting rid of them can be quite a challenge, so if you don’t have fleas in your home yet, I highly recommend buying this product! My dog weighs 80 pounds, and the price is absolutely worth it. I still have marks from the flea bites myself. Remember, they bite everyone, including us!

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