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 ...

Wrangling head lice, and the children they infest, must be up there with the most challenging duties a parent or caregiver has to face. And the job is getting harder. Commonly used chemical products ...

Head lice are tiny bugs that attach themselves ... a lice infestation is an actual “insecticide like pyrethrin and permethrin,” depending on resistance patterns in your area.

Almost 20% of children in some schools were infested. This outbreak can be attributed to the resistance of head lice to permethrin, which has not been mentioned in literature yet. The resistance ...