Trusted by veterinarians and pet parents around the country, Trifexis is dedicated to protecting your dog from parasites. Best of all, they make it easy: one palatable, beef-flavored pill, and you're done! With Trifexis brand protection, one monthly pill protects your dog from fleas, heartworm and adult hookworm, roundworm and whipworm—plus, you know you're giving your pup the #1 prescribed combination parasite protection.

Chewy.comShow More