{"product_id":"k9-advantix-ii-large-dog-21-55-lbs-flea-tick-2-doses","title":"K9 Advantix II Large Dog 21–55 lbs – Flea and Tick | 2 Doses","description":"\u003ch2\u003eK9 Advantix II Large Dog 21–55 lbs – Flea \u0026amp; Tick Protection – 2 Doses\u003c\/h2\u003e\n\u003ch3\u003eAdvanced Flea and Tick Protection for Active Large Dogs 21–55 lbs\u003c\/h3\u003e\n\u003cp\u003eK9 Advantix II Large Dog 21–55 lbs Flea Treatment 2 Doses is a vet-recommended topical solution that delivers \u003cstrong\u003eeffective flea and tick control\u003c\/strong\u003e for large dogs. Each dose provides fast, reliable protection against parasites, keeping your dog healthy and comfortable.\u003c\/p\u003e\n\u003cp\u003eFormulated for dogs weighing 21–55 lbs, this spot-on treatment works through direct contact, offering \u003cstrong\u003efast-acting, long-lasting protection\u003c\/strong\u003e. Easy application ensures your dog stays \u003cstrong\u003esafe\u003c\/strong\u003e, \u003cstrong\u003eparasite-free\u003c\/strong\u003e, and \u003cstrong\u003ecomfortable\u003c\/strong\u003e every 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 large dogs 21–55 lbs\u003c\/li\u003e\n\u003cli\u003eKills fleas and ticks on contact, 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, fast-acting topical formula for easy application\u003c\/li\u003e\n\u003cli\u003e2-dose package supports continuous monthly protection\u003c\/li\u003e\n\u003cli\u003eEffective even on thick or dense coats common in large breeds\u003c\/li\u003e\n\u003cli\u003eIdeal for active dogs with higher outdoor exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose K9 Advantix II Large Dog 21–55 lbs\u003c\/h2\u003e\n\u003cp\u003ePerfect for large dogs that hike, run, or spend time in wooded or grassy areas\u003c\/p\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 full protection\u003c\/li\u003e\n\u003cli\u003eBreaks the flea and tick life cycle to prevent reinfestation\u003c\/li\u003e\n\u003cli\u003eUp to 30 days of protection per dose\u003c\/li\u003e\n\u003cli\u003eWaterproof after 24 hours for long-lasting effectiveness\u003c\/li\u003e\n\u003cli\u003eEasy topical application for stress-free use\u003c\/li\u003e\n\u003cli\u003eSuitable for indoor and outdoor dogs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eK9 Advantix II Large Dog 21–55 lbs kills fleas and ticks at all life stages. It eliminates adult fleas, larvae, and eggs to prevent new infestations and maintain a clean environment for your dog.\u003c\/p\u003e\n\u003cp\u003eIn addition to fleas and ticks, it also repels mosquitoes and biting flies, offering broader protection for large, active dogs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cul style=\"list-style-type: '—';\"\u003e\n\u003cli\u003e Apply one tube directly to the skin at the base of your dog’s neck\u003c\/li\u003e\n\u003cli\u003e Part the fur and place the tip of the tube on the skin\u003c\/li\u003e\n\u003cli\u003e Squeeze the entire contents onto one spot\u003c\/li\u003e\n\u003cli\u003e Do not rub in\u003c\/li\u003e\n\u003cli\u003e Repeat monthly for continuous 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 Large (21–55 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 11556-143\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eManufacturer Information (Brand Transition Notice)\u003c\/h2\u003e\n\u003cp\u003eOriginally developed by Bayer Animal Health, now manufactured and distributed by Elanco. Formula, effectiveness, and SKU remain identical. Packaging may vary but both versions are 100% authentic and identical in quality.\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 Large Dog 21–55 lbs\u003c\/p\u003e\n\u003cp\u003eNew, sealed, and factory fresh\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k9-advantix-ii-small-dog-4-10-lbs-flea-treatment-2-doses-flea-control\" title=\"K9 Advantix II Small Dog 4–10 lbs – Lightweight Flea \u0026amp; Tick Treatment – 2 Doses\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eK9 Advantix II Small Dog 4–10 lbs\u003c\/strong\u003e\u003c\/a\u003e – Ideal for toy and small breeds needing fast-acting flea and tick protection tailored to their lower body weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"K9 Advantix II Medium Dog 11–20 lbs – Flea \u0026amp; Tick Treatment – 2 Doses\" href=\"\/products\/k9-advantix-ii-medium-dog-11-20-lbs-flea-tick-treatment-2-doses\" target=\"_blank\"\u003e\u003cstrong\u003eK9 Advantix II Medium Dog 11–20 lbs\u003c\/strong\u003e\u003c\/a\u003e – Designed for mid-size dogs that require balanced, weight-specific parasite protection for indoor and outdoor activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/k9-advantix-ii-extra-large-dog-over-55-lbs-2-doses-flea-tick\" target=\"_blank\" title=\"K9 Advantix II Extra Large Dog Over 55 lbs – Flea \u0026amp; Tick Treatment – 2 Doses\" rel=\"noopener\"\u003e\u003cstrong\u003eK9 Advantix II Extra Large Dog Over 55 lbs\u003c\/strong\u003e\u003c\/a\u003e – Best for giant breeds with high outdoor exposure and thicker coats requiring stronger full‑body coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/authentic-elanco-seresto-large-dog-above-18lb-flea-tick-collar-8-month-protect\" title=\"Seresto Elanco Flea \u0026amp; Tick Collar for Large Dogs Over 18lb – 8 Months Protection – Long‑Lasting Flea \u0026amp; Tick Protection for Large Dogs\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSeresto Large Dog Flea \u0026amp; Tick Collar\u003c\/strong\u003e\u003c\/a\u003e – A long-lasting, low‑maintenance option providing up to 8 months of continuous protection for active large breeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"Frontline Plus Large Dogs 45-88 lbs – Strong Flea and Tick Protection, Kills Fleas, Eggs \u0026amp; Larvae, Breaks Life Cycle, Monthly Spot-On Year-Round Prevention\" href=\"\/products\/frontline-plus-for-dogs-45-88-lbs-flea-tick-control-treatment-6-doses\" target=\"_blank\"\u003e\u003cstrong\u003eFrontline Plus Large Dog 45–88 lbs\u003c\/strong\u003e\u003c\/a\u003e – A suitable alternative topical treatment for multi‑pet households needing rotation or separate protection for another dog.\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\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 vet 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 provides fast, effective flea and tick control for large dogs. Monthly use prevents reinfestation and ensures your dog’s comfort and overall health.\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":47482056343782,"sku":"724089060716","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/2224\/7910\/files\/K9_Advantix_II_Large_Dog_21_55_lbs_Flea_Tick_2_Doses.jpg?v=1774476863","url":"https:\/\/shoplineusa.com\/products\/k9-advantix-ii-large-dog-21-55-lbs-flea-tick-2-doses","provider":"ShopLineUSA","version":"1.0","type":"link"}