Beaphar Flea & Tick Drops for Large Dogs is a convenient way to rid your dog of those annoying and irritable flea and tick infestations. Suitable for dogs weighing 15Kg or over, this quick and easy treatment is simply applied to the back of the dog"s neck between the shoulders and at the base of the tail. Beginning work immediately, this treatment provides either 4 or 12 week protection, so you can rest assured you won"t be seeing those parasites anytime soon! Suitable for use on dogs and puppies aged 2 weeks and over.