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 affect over 100 million people worldwide ... Over time, lice have genetically evolved to survive conventional treatments such as malathion or pyrethrin derivatives.

A healthcare provider can prescribe a bodywash or skin cream that contains malathion ... quarantining for body lice. However, they do have guidance for head lice. According to the CDC, people ...