School’s back and that means head lice will once again plague households with primary school-aged children. Here’s what you can to do to bust those nits.

Head lice infestations have exploded globally ... the rest of the family likely will be too. Symptoms include extreme itchiness of the scalp, a crawling sensation across the scalp and sores ...

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 ...