Description: Gray-white eggs or lice that look like dandruff adhere to the hair shaft; itching may be absent to severe

Etiology: Infestation by 6-legged, wingless insects; spread by direct contact or infected objects

Rx: Medicated shampoo; vinegar soaks (1:1 vinegar: water); lice can survive up to 10 days on clothing, bedding, or carpets; eggs can live more than 2 wks

Source: From Barankin B & Freiman A (2006).