--- product_id: 4932183 title: "II Medium Dog Vet-Recommended Flea Treatment & Prevention | Dogs 11-20 lbs. | 4-Month Supply" brand: "advantage" price: "S/.301" currency: PEN in_stock: true reviews_count: 8 category: "Advantage" url: https://www.desertcart.pe/products/4932183-ii-medium-dog-vet-recommended-flea-treatment-and-prevention-dogs store_origin: PE region: Peru --- # Waterproof after 24 hours Kills fleas in 12 hours 30-day continuous protection II Medium Dog Vet-Recommended Flea Treatment & Prevention | Dogs 11-20 lbs. | 4-Month Supply **Brand:** advantage **Price:** S/.301 **Availability:** ✅ In Stock ## Summary > 🐾 Stay ahead of fleas and keep your pup adventure-ready! ## Quick Answers - **What is this?** II Medium Dog Vet-Recommended Flea Treatment & Prevention | Dogs 11-20 lbs. | 4-Month Supply by advantage - **How much does it cost?** S/.301 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/4932183-ii-medium-dog-vet-recommended-flea-treatment-and-prevention-dogs) ## Best For - advantage enthusiasts ## Why This Product - Trusted advantage brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Month-Long Defense:** Keeps your dog protected for a full 30 days without reapplication - • **Effortless Application:** Easy, no-prescription topical drops—no pills or collars needed - • **Rapid Flea Elimination:** Starts killing fleas within 12 hours for fast relief - • **Complete Flea Lifecycle Control:** Targets adult fleas, larvae, and eggs for total prevention - • **Vet-Recommended & Fragrance-Free:** Trusted by professionals with a gentle, unscented formula ## Overview Advantage II Medium Dog is a vet-recommended, fragrance-free topical flea treatment designed for dogs weighing 11-20 lbs and aged 7 weeks or older. It kills adult fleas, larvae, and eggs within 12 hours and provides 30 days of waterproof protection, ensuring total flea prevention and treatment with easy monthly application—no prescription required. ## Description Advantage II Medium Dog is the vet-recommended prevention and treatment of flea and lice infestations in dogs. Advantage II Medium Dog flea treatment and prevention kills adult fleas, flea larvae and flea eggs to deliver total flea protection to your dog or puppy. In fact, within 12 hours of application, Advantage II Medium Dog topical treatment gets straight to work killing fleas through contact, so they don’t have to bite your dog to die.This 30-day treatment effectively breaks the flea life cycle, controlling existing flea and lice infestations and preventing further infestations all month long. Fleas not only cause discomfort; they can also pose other health risks. Monthly use of Advantage II Medium Dog is important to protect your dog against fleas that may cause transmission of tapeworms in dogs, Flea Allergy Dermatitis and flea bite anemia.That’s why Advantage II 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 Advantage II is fragrance-free and waterproof after 24 hours of application. Check the product label for information on application and potential side effects. Advantage II Medium Dog flea and lice protection is effective on both indoor and outdoor dogs. Your dog should be at least 7 weeks old and weigh 11 to 20 lbs. to use Advantage II Medium Dog.For the ultimate convenience in care, Advantage II Medium Dog is available over the counter – no prescription needed. And, you can stock up with a subscription for regular doorstep deliveries so you never miss a monthly treatment. Once Advantage II Medium Dog is applied, your dog is ready to get right back to exploring his favorite places – from the backyard to the dog park.Advantage II Medium Dog is a trademark of Elanco or its affiliates. Review: A Helpful Tool In Our Flea Control Regimen! - We have double coated, long haired, very furry large Northern Breed Mixed Dogs. Unfortunately, fleas are a year round problem here in the San Francisco Bay Area where we live ... Ugh! Advantage II Topical Flea Treatment & Prevention is an effective tool in our flea control regimen. - Easy to apply the topical drops on your dog's skin along the backbone. - Our dogs have never had any skin irritation or other negative reactions with this product. - The 6 pack is a terrific value. I highly recommend this product. Review: It's effective without being too potent - I've been using this for years. It works pretty good. It's becoming less and less effective as the fleas evolve to it. But right now it's still pretty effective. ## Features - Vet recommended flea treatment and prevention for dogs at weighing 11 to 20 lbs., at least 7 weeks of age - Kills adult fleas, flea larvae and flea eggs for total flea prevention and treatment - Same-day effectiveness, kills fleas within 12 hours of application and keeps working for 30 days - Easy-to-apply topical treatment, no prescription needed - Fragrance-free formula, waterproof after 24 hours ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004QREOYG | | ASIN | B004QREOYG | | Active Ingredients | Imidacloprid, Pyriproxyfen | | Age Range Description | 7 weeks and older | | Allergen Information | Allergen-Free | | Best Sellers Rank | #2,137 in Pet Supplies ( See Top 100 in Pet Supplies ) #18 in Dog Flea Drops | | Brand Name | Advantage | | Customer Reviews | 4.5 4.5 out of 5 stars (19,117) | | Date First Available | March 5, 2011 | | Department | Racks/Futons | | Dog Breed Size | Medium | | Global Trade Identification Number | 00724089202673, 00724089617231, 10724089367584 | | Is Discontinued By Manufacturer | No | | Item Form | Topical | | Item Type Name | Topical | | Item Weight | 0.05 Pounds | | Item model number | 86336758 | | Manufacturer | Elanco US Inc | | Manufacturer | Elanco US Inc | | Manufacturer Part Number | 86336758 | | Manufacturer recommended age | 1 month and up | | Model Number | 86336758 | | Product Dimensions | 6.5 x 1 x 4.25 inches; 0.8 ounces | | Scent Name | Unscented | | Target Species | Dog | | UPC | 724089202673 724089617231 724089378934 | | Unit Count | 4 Count | | Volume | 4 Milliliters | ## Product Details - **Active Ingredients:** Imidacloprid, Pyriproxyfen - **Age Range (Description):** 7 weeks and older - **Allergen Information:** Allergen-Free - **Brand:** Advantage - **Dog Breed Size:** Medium - **Item Form:** Topical - **Item Volume:** 4 Milliliters - **Item Weight:** 0.05 Pounds - **Scent:** Unscented - **UPC:** 724089202673 724089617231 724089378934 ## Images ![II Medium Dog Vet-Recommended Flea Treatment & Prevention | Dogs 11-20 lbs. | 4-Month Supply - Image 1](https://m.media-amazon.com/images/I/71Uns06GOaL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: My dog only goes out to get groomed every 3 months or to vet. Do I need to use this all the time or can I apply it 1 week before groom/vet day?** A: This is a once a month topical treatment. You can apply prior to the appt. however it doesn't start to work until after the 1st 12 hours of being applied. Thank you. Heartland Vet Supply Customer Service **Q: is this 4 mn or 6 mn / discrepancy in description** A: There is an option for both 4 month and 6 month packages **Q: Can I return this product?** A: Hi. We recommend you contact the seller for a replacement or refund. **Q: El producto es de bayer ? o es de elanco ?? porque el enunciado dice una cosa y la caja dice otra. esto es confuso !** A: Hi. Elanco acquired Bayer Animal Health in 2020, including the Advantage II brand. To learn more about Advantage II and other Elanco products, visit PetBasics.Elanco.com. ## Customer Reviews ### ⭐⭐⭐⭐⭐ A Helpful Tool In Our Flea Control Regimen! *by M***S on January 3, 2026* We have double coated, long haired, very furry large Northern Breed Mixed Dogs. Unfortunately, fleas are a year round problem here in the San Francisco Bay Area where we live ... Ugh! Advantage II Topical Flea Treatment & Prevention is an effective tool in our flea control regimen. - Easy to apply the topical drops on your dog's skin along the backbone. - Our dogs have never had any skin irritation or other negative reactions with this product. - The 6 pack is a terrific value. I highly recommend this product. ### ⭐⭐⭐⭐⭐ It's effective without being too potent *by B***Y on March 8, 2026* I've been using this for years. It works pretty good. It's becoming less and less effective as the fleas evolve to it. But right now it's still pretty effective. ### ⭐⭐⭐⭐⭐ Best price around beat all local vendors *by K***R on March 15, 2026* There was no issues with hair loss, scratching caused by the product. Best price compared to local stores ## Frequently Bought Together - Advantage II Medium Dog Vet-Recommended Flea Treatment & Prevention | Dogs 11-20 lbs. | 4-Month Supply - Advantage II Large Cat Vet-Recommended Flea Treatment & Prevention | Cats Over 9 lbs. | 4-Month Supply - Advantage II Large Dog Vet-Recommended Flea Treatment & Prevention | Dogs 21-55 lbs. | 4-Month 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.pe/products/4932183-ii-medium-dog-vet-recommended-flea-treatment-and-prevention-dogs](https://www.desertcart.pe/products/4932183-ii-medium-dog-vet-recommended-flea-treatment-and-prevention-dogs) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-04-26*