Armitage Pet Care Flea and Tick drops for dogs can only be effective as part of a programme to eliminate fleas and their larvae from pets and their surroundings. However, as fleas can also live in your carpets and in your pets bed, you should treat these areas with a suitable insecticide and vacuum regularly. For small dogs and puppies from 2 weeks under 15kg. Easy to use, effective treatment. This pack contains 3 x 1 monthly treatment. Providing protection from fleas and ticks for up to 12 weeks. 702mg Spot On Solution. For small dogs from 2 weeks old under 15kg. Breaks The Flea Lifecycle. Gives protection for up to 12 weeks. NOTE: Extremely poisonous to cats. Contains: 6 Ampoules each containing 702mg of Permethrin 25:75 Cis: Trans in 1.5ml of solution.