Frontline Combo for Dogs can be used as part of an overall strategy against flea allergy dermatitis and is effective in eliminating adult fleas for 8 weeks. It has both an ovicidal and larvicidal action and thus can prevent the multification of fleas on dogs. It is effective against ticks in dogs for 2 weeks and is also effective against infestations of biting lice. Frontline Combo can be used in puppies over 2kg in weight and over 8 weeks of age. Frontline Combo for dogs is available in pack sizes of 3 or 6 pipettes and for different sizes of dog: for small dogs weighing 2-10kg, for medium dogs weighing 10-20kg, for large dogs weighing 20-40kg and for extra large dogs over 40kg.