The NexGard line of products for fleas, ticks, and heartworms in dogs and cats includes a topical product (applied to the skin) for cats and chewable tablets (given by mouth) for dogs.

NADA 141-570, NexGard COMBO topical solution 3 Saleh MN, Sundstrom KD, Duncan KT, et al. Show us your ticks: a survey of ticks infesting dogs and cats across the USA. Parasit Vectors.