Fleascreen Combo Spot-on Flea and Tick Solution for Dogs. Kills fleas on treated dogs and prevents eggs developing for up to 8 weeks. Kills ticks on treated dogs for up to 4 weeks and treats infestations of biting lice.
Fiproclear Combo Spot On Flea and Tick Treatment Solution for Dogs. For the control and prevention of fleas, ticks and biting lice. The treatment can last for up to 4 weeks for fleas and up to 2 weeks for ticks.