For controlling fleas and heavy flea infestation, Advantage for dogs is an excellent pet product. This spot-on is highly effective in killing adult fleas and larvae. The quick action destroys all fleas on dog body within few hours. It also destroys chewing lice in 7 days after application. The water-resistant treatment works for the whole month despite dog going for swimming or bathing.
Advantage is safe for use on pregnant or lactating animals. It is also safe for use on puppies and kittens from 2 weeks of age.