--- product_id: 9550903 title: "II Flea & Tick Topical for Medium Dogs 11–20 lbs., 4ct" brand: "k9 advantix" price: "891 kr" currency: DKK in_stock: true reviews_count: 10 category: "K9 Advantix" url: https://www.desertcart.dk/products/9550903-ii-flea-and-tick-topical-for-medium-dogs-11-20 store_origin: DK region: Denmark --- # For medium dogs 11-20 lbs Waterproof after 24 hours Kills fleas in 12 hours II Flea & Tick Topical for Medium Dogs 11–20 lbs., 4ct **Brand:** k9 advantix **Price:** 891 kr **Availability:** ✅ In Stock ## Summary > 🐾 Protect your pup like a pro — because they deserve the best! ## Quick Answers - **What is this?** II Flea & Tick Topical for Medium Dogs 11–20 lbs., 4ct by k9 advantix - **How much does it cost?** 891 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/9550903-ii-flea-and-tick-topical-for-medium-dogs-11-20) ## Best For - k9 advantix enthusiasts ## Why This Product - Trusted k9 advantix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Flea Elimination:** Kills fleas within 12 hours to stop infestations fast - • **All-in-One Pest Defense:** Repels and kills fleas, ticks, mosquitoes, biting flies, and lice - • **Simple Monthly Application:** Quick, topical drops that fit your busy lifestyle - • **Waterproof & Fragrance-Free:** Lasts through swims and baths without scent distractions - • **Vet-Recommended & Prescription-Free:** Trusted formula available OTC for hassle-free protection ## Overview K9 Advantix II Medium Dog is a vet-recommended, prescription-free topical treatment designed for dogs weighing 11-20 lbs. It kills fleas within 12 hours and repels multiple pests including ticks and mosquitoes. Waterproof after 24 hours and fragrance-free, it offers convenient monthly protection to keep your dog comfortable and pest-free both indoors and outdoors. ## Description 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. Review: The Day the Fleas Packed Their Bags - 5 stars. The fleas showed up. They rented tiny imaginary apartments in my dog's fur. Just a quick drop in a few spots. Now the fleas are packing their bags and moving out. Zero stars from the fleas. Five stars from us. Review: K9 Advantic II is THE BEST - I started using these in 2009 when my first dog got infested with fleas from the carpet in our new home. We tried other things, collars, baths, drops, but my cousin recommended the K9 Advantix II. SEVENTEEN years and the more dogs later, and none of my dogs have ever had another problem with fleas or ticks again. ## Features - K9 Advantix II Medium Dog 30-day treatment & prevention protects dogs 11-20 lbs. from fleas, ticks, mosquitoes, biting flies and lice - Kills fleas within 12 hours of application - Vet-recommended formula kills & repels on contact so fleas don’t have to bite your dog to die - Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours - No prescription needed ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004QMX4RY | | Active Ingredients | Imidacloprid, Permethrin, Pyriproxyfen | | Age Range Description | 7 weeks and older | | Allergen Information | Allergen-Free | | Best Sellers Rank | #588 in Pet Supplies ( See Top 100 in Pet Supplies ) #6 in Dog Flea Drops | | Brand | K9 Advantix | | Brand Name | K9 Advantix | | Customer Reviews | 4.4 out of 5 stars 34,135 Reviews | | Dog Breed Size | Medium | | Global Trade Identification Number | 00724089203724 | | Included Components | 4 | | Item Form | Drops | | Item Type Name | Topical | | Item Volume | 4 ml | | Item Weight | 1.28 ounces | | Manufacturer | Elanco US Inc | | Manufacturer Part Number | 710546020004 | | Model Number | 86315157 | | Pet Type | Dog | | Scent | Unscented | | Scent Name | Unscented | | Target Species | Dog | | UPC | 085400000522 724089584984 724089203724 891962001521 024089584985 724089351326 | | Unit Count | 4 Count | | Volume | 4 ml | | Warranty Description | No_warranty | ## Product Details - **Active Ingredients:** Imidacloprid, Permethrin, Pyriproxyfen - **Age Range (Description):** 7 weeks and older - **Allergen Information:** Allergen-Free - **Brand:** K9 Advantix - **Dog Breed Size:** Medium - **Item Form:** Topical - **Item Volume:** 4 Milliliters - **Item Weight:** 1.28 ounces - **Scent:** Unscented - **Unit Count:** 4 Count ## Images ![II Flea & Tick Topical for Medium Dogs 11–20 lbs., 4ct - Image 1](https://m.media-amazon.com/images/I/71SCebDcfqL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ The Day the Fleas Packed Their Bags *by D***N on August 18, 2026* 5 stars. The fleas showed up. They rented tiny imaginary apartments in my dog's fur. Just a quick drop in a few spots. Now the fleas are packing their bags and moving out. Zero stars from the fleas. Five stars from us. ### ⭐⭐⭐⭐⭐ K9 Advantic II is THE BEST *by S***R on August 29, 2026* I started using these in 2009 when my first dog got infested with fleas from the carpet in our new home. We tried other things, collars, baths, drops, but my cousin recommended the K9 Advantix II. SEVENTEEN years and the more dogs later, and none of my dogs have ever had another problem with fleas or ticks again. ### ⭐⭐⭐⭐⭐ Easy to Use and Vet-Recommended *by U***K on September 4, 2026* I’ve been really happy with K9 Advantix II for my medium-sized dog. It’s easy to apply, and I like knowing it’s a product recommended by veterinarians for flea and tick protection. The application is quick and convenient, which makes keeping up with my dog’s routine much easier. So far, it’s been a great choice for us! ## Frequently Bought Together - K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 4-Mo Supply - K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 4-Mo Supply - K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21 - 55 lbs. | 4-Mo Supply --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/9550903-ii-flea-and-tick-topical-for-medium-dogs-11-20](https://www.desertcart.dk/products/9550903-ii-flea-and-tick-topical-for-medium-dogs-11-20) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-09-19*