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 ...

Repeat in 7 days. Kills head lice by asphyxiation; contains no neurotoxic pesticide. Malathion 5% lotion (Ovide) Apply to dry hair, leave on 8–12 hours, rinse. Repeat in 7–10 days. Approved >6 ...

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 ...