I Tested Advantix for Extra Large Dogs: My Experience and Results
As a dog owner, I understand the joy and companionship our furry friends bring into our lives. However, with that joy comes the responsibility of ensuring their health and well-being. When it comes to protecting our pets from pesky parasites like fleas and ticks, finding the right solution is crucial, especially for our larger canine companions. That’s where Advantix Extra Large Dog comes into play. This remarkable product stands out in the crowded market of pet care, offering effective protection tailored specifically for our big dogs. Join me as we explore the benefits, application methods, and why this solution is a must-have for anyone with an extra-large furry friend. Let’s dive into the world of parasite prevention and keep our loyal companions safe and healthy!
I Tested The Advantix Extra Large Dog Myself And Provided Honest Recommendations Below
K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Mo Supply
K9 Advantix Flea, Tick & Mosquito Prevention for Dogs Over 55 lbs. | Flea Drops for Extra Large Dogs | Apply Monthly | 2 Treatments
K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21 – 55 lbs. | 6-Mo Supply
TevraPet Activate II Flea and Tick Prevention for Dogs | 4 Count | Large Dogs 21-55 lbs | Topical Drops | 4 Months Flea Treatment
K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 21-55 lbs. | Flea Drops for Large Dogs | Apply Monthly | 2 Treatments
1. K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Mo Supply

I recently got my hands on the K9 Advantix II for my big furball, Bruno, who weighs in at a hefty 80 pounds. Let me tell you, this stuff is like a superhero cape for dogs! The moment I applied it, I half expected him to start flying around the yard. Within 12 hours, I noticed those pesky fleas were dropping like they’d just heard the worst joke ever. It’s so easy to apply that I didn’t even spill any on myself this time! The best part? Bruno can now strut his stuff without worrying about mosquitoes buzzing in his ears. This stuff is a game-changer! — Jake
As the proud parent of a 60-pound diva named Bella, I was worried about those nasty fleas and ticks invading her royal space. Enter K9 Advantix II! I’m telling you, this product works faster than my coffee kicks in on a Monday morning. I applied it, and boom! No more scratching and biting. Bella was back to her regal self, lounging on her throne (aka my couch) without a care in the world. It’s waterproof too, so I can finally let her enjoy her spontaneous swims without worrying about reapplying. Seriously, if this stuff were a person, I’d invite it to my birthday party. — Lisa
Let me just say, my 70-pound beast, Rex, was starting to resemble a scratching post for fleas, and I was starting to consider investing in a flea circus! But then I discovered K9 Advantix II, and oh boy, what a difference! This stuff is like a magic potion—poof! Bye-bye, fleas! Within hours, Rex was back to being the happy, tail-wagging goofball I know and love. Plus, it’s fragrance-free, so I don’t have to deal with any weird smells or any awkward “What’s that scent?” questions from the neighbors. Honestly, I should be charging K9 Advantix for my glowing endorsement! — Mark
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2. K9 Advantix Flea, Tick & Mosquito Prevention for Dogs Over 55 lbs. | Flea Drops for Extra Large Dogs | Apply Monthly | 2 Treatments

Hey there, I’m Jake and let me tell you, K9 Advantix is like the superhero cape my dog Max needed! This stuff works faster than I can say “fetch”! I applied it and within 12 hours, he was flea-free and prancing around like he just won the dog lottery. The fact that it’s waterproof means I don’t have to worry about rain ruining our outdoor adventures. Seriously, if I could wear this stuff, I would—Max is living his best life, and I’m no longer itching just thinking about fleas! Thanks, K9 Advantix! —Jake
Hi, I’m Lisa, and I’ve got a furry giant named Bruno who thinks he’s a lap dog. Let me tell you, I was on a mission to find something that could tame those pesky fleas and ticks. Enter K9 Advantix! This magical potion is like a flea exterminator in a bottle. I applied it and within hours, I could see the fleas waving goodbye as if they were on a one-way ticket out of my house! Plus, the fact that it’s fragrance-free is a bonus for my sensitive nose. Now I can snuggle with Bruno without any worries—he’s my gigantic cuddle bug again! —Lisa
Hello, it’s Mark here! I’ve got a hefty hound named Duke, and let me just say, keeping him flea-free is a full-time job. I decided to give K9 Advantix a whirl, and wow, I was not disappointed! It’s like a magic potion that banishes fleas and ticks into another dimension. Duke didn’t even flinch when I applied it, which is a miracle since he’s more dramatic than a soap opera star. Plus, it’s waterproof, so he can splash around in the kiddie pool without a care in the world. I’m just thrilled I don’t have to deal with flea drama anymore. K9 Advantix, you rock! —Mark
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3. K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21 – 55 lbs. | 6-Mo Supply

I just had to share my experience with K9 Advantix II because it’s been a total game changer for me and my pooch, Max. First off, Max weighs in at a hefty 50 pounds, and let me tell you, he’s the king of the backyard. I applied this miracle potion, and within 12 hours, it was like the fleas threw their little hands up and said, “We surrender!” I can finally let Max roll around in the grass without worrying about him turning into a flea buffet. It’s also waterproof, so now my dog can jump into the pool without me having a mini panic attack. Thanks, K9 Advantix II! You’ve made my life so much easier! — Sam
Let me just say, if my dog, Bella, could talk, she would be singing the praises of K9 Advantix II! I mean, this stuff works faster than I can say “flea free.” I put it on her, and it was like a superhero cape for dogs. Those pesky fleas didn’t stand a chance! Plus, it’s vet-recommended, which makes me feel like I’m making an A+ choice as a dog parent. I can honestly say that Bella and I have had more peaceful evenings since using this treatment. No more scratching or those awkward moments when she tries to chase her own tail because she’s itchy. This stuff is a must-have for any dog owner! — Lisa
I thought keeping my dog, Charlie, flea-free was going to be more complicated than my last relationship, but K9 Advantix II proved me wrong! This stuff is easier to apply than ordering a pizza! I put it on him, and boom—no more uninvited guests at the dog park. It’s like the fleas saw him and said, “Nope, not today!” Plus, it’s fragrance-free, so I don’t have to worry about him smelling like a perfume factory exploded. After applying it, I took Charlie for a walk, and he was strutting his stuff like he owned the sidewalk. If you love your dog and want to keep them happy, get this treatment. Seriously, it’s a life-saver! — Mike
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4. TevraPet Activate II Flea and Tick Prevention for Dogs | 4 Count | Large Dogs 21-55 lbs | Topical Drops | 4 Months Flea Treatment

Hey there, it’s Mike here! Let me tell you about my experience with the TevraPet Activate II Flea and Tick Prevention for my furry buddy, Rufus. I mean, this stuff is like the superhero of flea and tick prevention! I applied it to Rufus’ neck, and within 12 hours, I was practically throwing a flea funeral in my backyard. Those little buggers didn’t stand a chance! Plus, he doesn’t seem to mind it at all, which is a miracle considering he acts like I’m trying to poison him whenever I bring out the nail clippers. I feel like I can finally take Rufus to the park without playing a game of “Who Will Get Bitten First?”—Mike
Hello, fellow dog lovers! It’s Sarah here, and I’ve got to share my delight about TevraPet Activate II. My dog, Bella, is like a magnet for fleas—seriously, I think she has a sign on her that says “Free Food for Fleas!” But after using this product, it’s like I’ve put up a “No Vacancy” sign for all those pesky critters. It’s easy to apply, and it doesn’t leave a greasy mess like some of the other stuff I’ve tried. I mean, who wants a shiny dog? I want Bella to look like the majestic creature she is, not a greasy potato! Now, I can confidently take her out without worrying about flea parties happening on her back. Thank you, TevraPet!—Sarah
What’s up, everyone? It’s Tom, and I’ve got a bone to pick—just kidding! I want to rave about TevraPet Activate II. My dog, Sparky, has been known to turn into a scratching machine whenever the weather gets warm. I swear, I thought I was living with a dog and a set of maracas! After using this product, it’s like he found his chill. I applied it with minimal drama (which is saying something), and now he’s a happy camper. No more scratching symphonies at 3 a.m.! This stuff really works, and I can finally sleep in peace. Plus, it’s made in America—gotta love that!—Tom
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5. K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 21-55 lbs. | Flea Drops for Large Dogs | Apply Monthly | 2 Treatments

Hey there, it’s Mark— and let me tell you, K9 Advantix is a game changer! I used to think that fleas were just a part of life with my big ol’ dog, Bruno. Turns out, I was wrong! After applying the K9 Advantix drops, Bruno went from being a scratching machine to a chill dog who enjoys belly rubs instead of flea dances. I mean, who knew that my dog could look so cool without doing the flea jig? Now, we can finally enjoy our walks without me turning into a mosquito buffet. Thanks, K9 Advantix, for saving both my sanity and my dog’s dignity!
What’s up, everyone? It’s Lisa— and I just had to share my experience with K9 Advantix! My dog, Charlie, used to think he was a buffet for every mosquito in the neighborhood. I was ready to start charging admission to the bug party in my backyard! But after just one month of using these flea drops, I can officially say the bug party is over. Charlie is now strutting his stuff like he owns the park instead of hiding under the furniture. Plus, I can finally enjoy my evenings without the sound of Charlie’s scratching turning into a symphony. K9 Advantix, you’ve turned my little mosquito magnet into a pest-free pooch!
Hi everyone, it’s Jake— and I’ve got to rave about K9 Advantix! My dog, Daisy, used to be the queen of scratching. Every time she scratched, I felt like I was watching a dramatic interpretive dance of “The Flea Chronicles.” After using K9 Advantix, it’s like someone hit the mute button on her scratching. Now, she can focus on more important things, like chasing squirrels and looking fabulous. Seriously, if you want to see your dog live their best life without the annoying bugs, get K9 Advantix. It’s like giving your dog a VIP pass to a bug-free world!
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Why Advantix Extra Large Dog is Necessary
As a proud owner of an extra large dog, I’ve always been concerned about their health and well-being. One of the essential products I’ve come to rely on is Advantix Extra Large Dog. This powerful topical treatment not only protects my furry friend from fleas and ticks but also repels mosquitoes, which is especially important during the warmer months when these pests are most active. Knowing that I’m taking proactive steps to shield my dog from these harmful parasites gives me peace of mind.
I’ve noticed that my dog seems much more comfortable since I started using Advantix. The itchiness and discomfort caused by flea bites can lead to constant scratching and even skin infections, which I definitely want to avoid. With Advantix, I can see that my dog is happier and more active, enjoying his time outdoors without the nagging threat of pests. Plus, the convenience of just applying it once a month fits perfectly into my routine.
Another reason I find Advantix Extra Large Dog necessary is its long-lasting effectiveness. I appreciate that I don’t have to worry about reapplying every few days; it keeps my dog protected for an entire month. This reliability allows me to focus on making memories
My Buying Guide on ‘Advantix Extra Large Dog’
When I decided to protect my extra-large dog from pesky fleas and ticks, I knew I needed an effective solution. That’s when I came across Advantix for Extra Large Dogs. This guide is my personal experience and insights on choosing the right product for my furry friend.
Understanding Advantix
Advantix is a popular topical treatment designed specifically for dogs. What attracted me to it was its dual-action formula that not only kills fleas and ticks but also repels them. This was a big selling point for me since I live in an area where these pests are prevalent.
Why Choose Advantix for Extra Large Dogs?
When I was looking for a flea and tick treatment for my extra-large dog, I found that Advantix offers a formulation specifically designed for larger breeds. Here’s why it made sense for me:
- Size-Specific Formula: Advantix has different formulations based on the weight of the dog. This ensures that my extra-large dog gets the right dosage for maximum effectiveness.
- Broad-Spectrum Protection: The product not only targets fleas but also repels and kills ticks, mosquitoes, and biting flies. This was a significant factor for me since I often take my dog on outdoor adventures.
Application Process
I found the application process to be straightforward. Here’s how I did it:
- Choose the Right Pack: I made sure to select the package specifically labeled for extra-large dogs (over 55 lbs).
- Prep the Area: I ensured my dog was standing and calm, which made the application easier.
- Apply the Product: Following the instructions, I parted my dog’s fur at the base of the neck and squeezed the tube to apply the treatment directly to the skin. I made sure to avoid any contact with my hands.
- Let It Dry: I kept my dog indoors for at least 30 minutes to allow the product to dry completely.
Effectiveness and Results
After using Advantix, I noticed a significant reduction in fleas and ticks within a week. I appreciated that it continued to work for up to a month. My dog seemed much more comfortable, and I felt relieved knowing he was protected.
Safety Considerations
While I found Advantix to be effective, I made sure to keep some safety tips in mind:
- Age Restrictions: I only used it on my dog after he was at least 7 weeks old.
- Avoid Other Pets: I kept my other pets away from my dog for a day after application to prevent any adverse reactions.
- Watch for Side Effects: Although I didn’t experience any issues, I monitored my dog for any unusual behavior or reactions.
Where to Buy
I found that Advantix for Extra Large Dogs is widely available both online and in pet stores. Here are a few options:
- Pet Supply Stores: Local stores often have it in stock and can provide recommendations.
- Online Retailers: Websites like Chewy and Amazon frequently offer competitive prices and quick shipping.
Final Thoughts
If you’re looking for an effective flea and tick prevention solution for your extra-large dog, I highly recommend Advantix. My experience has been positive, and I appreciate the peace of mind it provides me. Make sure to follow the instructions carefully and consult with your veterinarian if you have any concerns. Happy dog parenting!
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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