{"product_id":"k9-advantix-ii-medium-dog-11-20-lbs-flea-tick-treatment-2-doses","title":"K9 Advantix II Medium Dog 11–20 lbs – Flea \u0026 Tick Treatment | 2 Doses","description":"\u003ch2\u003eK9 Advantix II Medium Dog 11–20 lbs – Flea \u0026amp; Tick Treatment – 2 Doses\u003c\/h2\u003e\n\u003ch3\u003eFast-Acting Flea and Tick Protection for Medium Dogs 11–20 lbs\u003c\/h3\u003e\n\u003cp\u003eK9 Advantix II Medium Dog 11–20 lbs Flea Treatment 2 Doses is a vet-recommended topical solution designed to provide \u003cstrong\u003eeffective flea and tick control\u003c\/strong\u003e for medium-sized dogs. Each dose supports comprehensive parasite management, helping protect your dog from fleas, ticks, and related discomforts.\u003c\/p\u003e\n\u003cp\u003eFormulated for dogs weighing 11–20 lbs, K9 Advantix II works through direct contact, offering \u003cstrong\u003efast-acting, long-lasting protection\u003c\/strong\u003e. Its easy spot-on application keeps your dog \u003cstrong\u003esafe\u003c\/strong\u003e, \u003cstrong\u003ecomfortable\u003c\/strong\u003e, and \u003cstrong\u003eparasite-free\u003c\/strong\u003e month after month.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReliable \u003cstrong\u003eflea and tick protection\u003c\/strong\u003e for medium dogs 11–20 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKills fleas and ticks on contact\u003c\/strong\u003e, preventing bites\u003c\/li\u003e\n\u003cli\u003eTargets \u003cstrong\u003eadult fleas\u003c\/strong\u003e, \u003cstrong\u003eeggs\u003c\/strong\u003e, and \u003cstrong\u003elarvae\u003c\/strong\u003e to break the pest life cycle\u003c\/li\u003e\n\u003cli\u003eLightweight, \u003cstrong\u003efast-acting\u003c\/strong\u003e topical solution for easy application\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003econtinuous monthly protection\u003c\/strong\u003e with 2-dose package\u003c\/li\u003e\n\u003cli\u003eProvides added defense against \u003cstrong\u003emosquitoes\u003c\/strong\u003e and \u003cstrong\u003ebiting flies\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps with broad-spectrum \u003cstrong\u003eparasite prevention\u003c\/strong\u003e for outdoor and active dogs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose K9 Advantix II Medium Dog 11–20 lbs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKills fleas and ticks on contact – \u003cstrong\u003eno biting required\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEliminates adult fleas, larvae, and eggs for \u003cstrong\u003efull protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBreaks the \u003cstrong\u003eflea and tick life cycle\u003c\/strong\u003e to prevent reinfestation\u003c\/li\u003e\n\u003cli\u003eUp to 30 days of continuous protection per dose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-acting formula\u003c\/strong\u003e begins working immediately\u003c\/li\u003e\n\u003cli\u003eWaterproof after 24 hours for \u003cstrong\u003elasting effectiveness\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEasy topical application for \u003cstrong\u003estress-free use\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for \u003cstrong\u003eindoor\u003c\/strong\u003e and \u003cstrong\u003eoutdoor dogs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eK9 Advantix II Medium Dog 11–20 lbs uses a contact-based formula that targets fleas and ticks at all life stages. It \u003cstrong\u003ekills adult fleas and ticks\u003c\/strong\u003e while also eliminating \u003cstrong\u003eeggs\u003c\/strong\u003e and \u003cstrong\u003elarvae\u003c\/strong\u003e, preventing new infestations and maintaining a clean, healthy environment for your medium-sized dog.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cul style=\"list-style-type: '— ';\"\u003e\n\u003cli\u003eApply one tube directly to the skin at the base of your dog’s neck\u003c\/li\u003e\n\u003cli\u003ePart the fur and place the tip of the tube on the skin\u003c\/li\u003e\n\u003cli\u003eSqueeze the entire contents onto one spot\u003c\/li\u003e\n\u003cli\u003eDo not rub in\u003c\/li\u003e\n\u003cli\u003eRepeat monthly for continuous flea and tick protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e K9 Advantix II\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Bayer Animal Health \/ Elanco\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePet Type:\u003c\/strong\u003e Dog\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePet Size:\u003c\/strong\u003e Medium (11–20 lbs)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eForm:\u003c\/strong\u003e Topical liquid\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 doses\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Duration:\u003c\/strong\u003e Up to 30 days per dose\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Age:\u003c\/strong\u003e 7 weeks and older\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEPA Reg. No.:\u003c\/strong\u003e 11556-142\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eManufacturer Information (Brand Transition Notice)\u003c\/h2\u003e\n\u003cp\u003eThis product was originally developed and manufactured by Bayer Animal Health. Following Bayer's sale of the production rights, the product is now manufactured and distributed by Elanco.\u003c\/p\u003e\n\u003cp\u003eThe formula, effectiveness, and SKU remain identical. Packaging may vary and could include either Bayer or Elanco branding depending on the production batch. Both versions are 100% authentic and identical in quality and performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e2 tubes\u003c\/strong\u003e (2-dose supply) of K9 Advantix II Medium Dog 11–20 lbs\u003c\/p\u003e\n\u003cp\u003eNew, sealed, and factory fresh\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eYou May Also Like – Extra Protection Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"Capstar (nitenpyram) is a fast-acting flea tablet for dogs and cats\" href=\"\/products\/capstar-flea-treatment-convenient-oral-6-tablets-for-dogs-2-25-lb\" target=\"_blank\"\u003e\u003cstrong\u003eCapstar Flea Control Oral Tablets for Dogs\u003c\/strong\u003e\u003c\/a\u003e — safe to use together with K9 Advantix II. Capstar provides rapid relief by killing active fleas within 30 minutes, while Advantix II maintains long‑lasting protection. Many owners use Capstar on day one to speed up results.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/authentic-elanco-seresto-small-dog-up-18lb-flea-tick-collar-8-month-protection\" title=\"Elanco Seresto 8 Month Flea \u0026amp; Tick Collar for Small Dogs \u0026amp; Puppies\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSeresto Flea \u0026amp; Tick Collar for Dogs\u003c\/strong\u003e \u003c\/a\u003e— can be combined with K9 Advantix II for dogs that spend a lot of time outdoors, in tall grass, or wooded areas. The collar adds an extra 8‑month protective layer, which is helpful during peak tick season.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"Frontline Plus Dogs 5-22 lbs – Kills Fleas, Ticks, Eggs, Larvae \u0026amp; Lice, Breaks Flea Life Cycle, Monthly Indoor \u0026amp; Outdoor Protection\" href=\"\/products\/frontline-plus-for-dogs-5-22-lbs-flea-tick-control-treatment-6-doses\" target=\"_blank\"\u003e\u003cstrong\u003eFrontline Plus Flea \u0026amp; Tick Treatment for Dogs\u003c\/strong\u003e\u003c\/a\u003e — should not be applied at the same time as K9 Advantix II, since both are topical treatments. However, many pet owners keep Frontline as a backup option or use it for a second dog to ensure all pets in the household stay protected.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/petarmor-capaction-flea-treatment-convenient-oral-6-tablets-for-dogs-2-25-lbs\" target=\"_blank\" title=\"Petarmor Capaction Flea Control Tablets for Dogs\" rel=\"noopener\"\u003e\u003cstrong\u003eCapaction (PetArmor) Oral Flea Tablets\u003c\/strong\u003e\u003c\/a\u003e — also safe to use alongside Advantix II. Ideal to keep on hand if your dog visits parks, boarding facilities, or interacts with other animals. Helps quickly stop sudden flea flare‑ups between regular monthly treatments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWarnings \u0026amp; Safety\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor external use only\u003c\/li\u003e\n\u003cli\u003eDo not use on puppies under 7 weeks of age\u003c\/li\u003e\n\u003cli\u003eAvoid contact with eyes or mouth\u003c\/li\u003e\n\u003cli\u003eWash hands after application\u003c\/li\u003e\n\u003cli\u003eConsult a veterinarian if your dog has health conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep out of reach of children\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance \u0026amp; Benefits\u003c\/h2\u003e\n\u003cp\u003eK9 Advantix II delivers fast, effective flea and tick control for medium dogs. Consistent monthly use helps prevent reinfestation, maintaining your dog’s comfort, reducing parasite-related irritation, and supporting overall canine wellness.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDisclaimer:\u003c\/h3\u003e\n\u003cp\u003eThis product is intended for animal use only. Always follow label instructions. Results may vary depending on environment and level of infestation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eAuthenticity Guarantee:\u003c\/h3\u003e\n\u003cp\u003eAll K9 Advantix II products sold on our website are \u003cstrong\u003e100% authentic\u003c\/strong\u003e, sealed, and sourced from authorized distributors. Each unit is stored properly to ensure safety and effectiveness.\u003c\/p\u003e","brand":"Elanco","offers":[{"title":"Default Title","offer_id":47481914949862,"sku":"724089060631","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/2224\/7910\/files\/K9_Advantix_II_Medium_Dog_11_20_lbs_Flea_Tick_Treatment.jpg?v=1774474893","url":"https:\/\/shoplineusa.com\/products\/k9-advantix-ii-medium-dog-11-20-lbs-flea-tick-treatment-2-doses","provider":"ShopLineUSA","version":"1.0","type":"link"}