Advantage II Once-A-Month Topical Flea Treatment for Dogs & Puppies kills fleas, flea eggs and flea larvae and is 98-100% effective with in 12 hours of application. In addition Advantage II treats, prevents and controls lice infestations directly on your dog. Advantage II flea control drops also helps to protect your dog from flea infestations, as it not only helps to eliminate fleas on treated dogs, it also prevents fleas from being able to reproduce. Advantage II even works on dogs that enjoy wading, swimming, boating or other water activities since these drops feature a unique waterproof formula. Advantage II has been proven safe for puppies as young as 7 weeks of age.
Advantage II for Dogs is available in 4 sizes:
Small for dogs 4-10 lbs.
Medium for dogs 11-20 lbs
Large for dogs 21-55 lbs
X-Large for dogs 55lbs and over
This product CANNOT be sold to residents of California.
Unknown (Submitted on 20th Feb 2015)
I have used other flea products on my two dogs one a mutt and the other a chauhuah I have found advantage 2 to work the best. My mutt is on the larger side ranging from 54 to 57lbs so I've noticed the 55lbs and over works better on him.