{"pageUrl":"https://www.comparethespecs.com/pets/dog-gear-nutrition/which-dog-flea-and-tick-prevention-is-most-effective-against-various-life-stages-of-fleas-and-ticks","lastUpdated":"2026-09-13","totalProducts":3,"niche":"Which dog flea and tick prevention is most effective against various life stages of fleas and ticks?","description":"Which dog flea and tick prevention is most effective against various life stages of fleas and ticks?","products":[{"brand":"Merck Animal Health","model":"Bravecto Chews for Dogs 9.9 - 22 lbs","price_gbp":47.79,"origin_country":null,"specs":{"duration":"12 weeks for fleas and most ticks; 8 weeks for lone star ticks","side_effects":"Vomiting, lethargy, diarrhea, anorexia, pruritus","dosage_frequency":"Every 12 weeks","active_ingredient":"Fluralaner 250 mg","application_method":"Oral chew given with food","suitable_for_puppies":"Yes, for puppies 6 months and older"},"confidence_score":null,"sources":[{"label":"PetSmart","url":"https://www.petsmart.com/dog/flea-and-tick/flea-and-tick-pills/bravecto-chew-for-dogs-99-22-lbs-orange-box-1-chew-12-week-supply-67175.html","currency":"USD","source_country":"US","price":80.99,"price_gbp":59.9,"scraped_at":"2026-09-07T01:24:16.308542"},{"label":"Petco","url":"https://www.petco.com/product/bravecto-chewable-tablet-for-dogs-orange","currency":"USD","source_country":"US","price":80.99,"price_gbp":59.9,"scraped_at":"2026-09-07T01:24:16.308542"},{"label":"PetVM","url":"https://petvm.com/flea-tick/45-bravecto.html","currency":"USD","source_country":"US","price":64.61,"price_gbp":47.79,"scraped_at":"2026-09-07T01:24:16.308542"}],"summary":"Bravecto is a prescription oral chew containing 250 mg of fluralaner for dogs weighing over 9.9 to 22 lbs. One chew provides 12 weeks of flea and protection against most listed ticks, and 8 weeks of lone star tick protection. It is suitable for dogs and puppies 6 months and older.","ideal_for":"This product suits dogs needing protection across flea and tick life stages because fluralaner kills adult fleas, prevents flea infestations, and kills several tick species for up to 12 weeks after one oral dose."},{"brand":"Elanco","model":"Seresto Vet-Recommended Flea & Tick Prevention Collar for Small Dogs Under 18 lbs","price_gbp":44.37,"origin_country":null,"specs":{"duration":"8 months","waterproof":"No, water-resistant","side_effects":"Scratching, redness, itchiness, hair loss, dermatitis, inflammation, eczema, or other skin reactions","dosage_frequency":"Single application every 8 months","active_ingredient":"Imidacloprid 1.25g and flumethrin 0.56g","application_method":"Place collar around the dog's neck, adjust to fit two fingers beneath it, and trim excess length","suitable_for_puppies":"Yes, puppies 7 weeks and older"},"confidence_score":null,"sources":[{"label":"Petco","url":"https://www.petco.com/product/seresto-flea-and-tick-collar-for-dogs","currency":"USD","source_country":"US","price":59.99,"price_gbp":44.37,"scraped_at":"2026-09-07T01:24:16.308542"}],"summary":"This collar uses imidacloprid and flumethrin to kill fleas and repel and kill ticks through contact. It provides up to 8 months of protection for small dogs under 18 lbs and puppies at least 7 weeks old, and it is water-resistant and non-greasy.","ideal_for":"It specifically suits dogs needing coverage across flea life stages and tick life stages because imidacloprid kills adult fleas and flea larvae while flumethrin repels and kills all life stages of ticks."},{"brand":"Elanco","model":"Credelio Quattro Chewable Tablets for Dogs 3.3 lbs and Over","price_gbp":155.28,"origin_country":null,"specs":{"duration":"One month","side_effects":"Vomiting, diarrhea, decreased appetite, weight loss, dermatitis, itching, tremors, loss of balance, and seizures","dosage_frequency":"Once monthly","active_ingredient":"lotilaner, moxidectin, praziquantel, and pyrantel","application_method":"Oral chewable tablet given with food or within 30 minutes of a meal","suitable_for_puppies":"Yes, for puppies 8 weeks and older weighing 3.3 lbs or more"},"confidence_score":null,"sources":[{"label":"PetSmart","url":"https://www.petsmart.com/dog/flea-and-tick/flea-and-tick-pills/credelio-quattro-credelio-quattro-ca1-chewable-tablets-for-dogs-33-6-lbs-1-or-6-month-supply-92260.html","currency":"USD","source_country":"US","price":209.94,"price_gbp":155.28,"scraped_at":"2026-09-07T01:24:16.308542"},{"label":"PetMart Pharmacy","url":"https://www.petmartpharmacy.com/credelio-quattro-for-dogs-11522/","currency":"USD","source_country":"US","price":209.94,"price_gbp":155.28,"scraped_at":"2026-09-07T01:24:16.308542"}],"summary":"Credelio Quattro is a monthly oral chewable tablet for dogs and puppies weighing 3.3 lbs or more. It protects against fleas, ticks, heartworm disease, roundworms, hookworms, and tapeworms.","ideal_for":"It suits dogs needing protection across multiple flea and tick life stages because lotilaner kills adult fleas and treats and controls four tick species, while the product also provides monthly coverage against several internal parasites."}]}