(Merck) Bravecto is a pork-flavored chewable to control flea and tick infestations in dogs for up to 12 weeks. Bravecto Chews contain fluralaner to start killing fleas within 2 hours. Kills 100% of fleas within 48 hours. Bravecto is for dogs and puppies at least 6 months of age and weighing 4.4 lbs. or more. Give orally every 12 weeks, at the minimum dosage of 11.4 mg/lb. Chewable tablets make dosing and administration easy and mess-free. Fluralaner.