Permethrin (1% formulation) is efficacious but resistance is emerging. Malathion (0.5% formulation ... alternative treatment. The primary endpoint was absence of live head lice on day 15 ...

Malathion 5% lotion (Ovide®) kills live lice and their eggs, and is approved for use in children 6 years of age and older. Treatment with ... in combination with permethrin 1%, when compared ...

What Is K9 Advantix II (Imidacloprid/Permethrin/Pyriproxyfen Topical)? K9 Advantix II (other brand names: Activate II, Provecta Advanced) is a combination medicine ...

The Mayo clinic also suggests that multiple treatments may be needed, since permethrin won't kill off freshly laid lice eggs, so parents need to make sure that the treatment is being used correctly.