Head lice affect more than 100 million people worldwide annually. Permethrin (1% formulation) is efficacious but resistance is emerging. Malathion (0.5% formulation) is an alternative, but ...

Some medical practitioners recommend pesticide treatments containing permethrin, pyrethrin, or malathion. These therapies have been the first line of treatment for head lice since World War II.

Head lice, itchy parasites that live on the scalp ... to many popular over-the-counter lice products that contain permethrin and pyrethrin, which are insecticides. A prescription anti-parasitic ...

It's tough to know how many people get head lice ... Yoon and his team noted that lice are getting more and more resistant to permethrin. In their latest study, published last year in the Journal ...

It contains the active ingredients imidacloprid, permethrin, and pyriproxyfen. Imidacloprid is classified as a neonicotinoid insecticide that controls fleas and lice. Permethrin is classified as ...