Credelio for Dogs (lotilaner) is a once-a-month, flavored chewable tablet for fast, reliable flea and tick prevention. It starts killing ticks and fleas in only 4 hours and delivers more than 97% monthly efficacy against ticks. This convenient oral dog flea and tick tablet helps reduce the signs of flea allergy dermatitis (FAD) while providing all-month protection. Suitable for puppies and dogs 8 weeks of age and older, with weight-specific options from 1.4 to 45 kg.