Overview Vectra 3D for Medium Dogs is a monthly topical treatment designed for dogs weighing 21 to 55 pounds and 8 weeks of age or older. This six-month supply supports a simple, repeatable routine that fits a variety of lifestyles, from apartment living to...

Vectra 3D for Large Dogs is a monthly topical treatment designed for dogs weighing 56 to 95 pounds and 8 weeks of age or older. This trusted option offers broad protection against fleas, ticks, mosquitoes, lice, mites (excluding mange mites), and biting and sand...

Vectra 3D for Large Dogs: Flea, Tick & Mosquito Treatment & Prevention Designed for dogs weighing 56 to 95 pounds and aged eight weeks or older, Vectra 3D offers a monthly topical option that blends broad parasite defense with a straightforward application. This long-running...