B85.2

Clinical Causes: Direct contact with someone who has lice Sharing personal items such as hats, combs, or bedding Close physical contact within households, schools, or daycare centers Using clothing or bedding contaminated with lice or eggs Living in crowded or unsanitary conditions that facilitate lice spread

Key Symptoms: Intense itching on the scalp, body, or pubic area Presence of lice eggs (nits) attached to hair strands Sensation of crawling or moving insects on the skin or scalp Skin irritation or redness caused by scratching Unexplained sores or infections resulting from scratching Visible lice or eggs in hair or on skin upon close inspection

Diagnosis Path: Diagnosis of pediculosis typically involves a physical examination, where a healthcare provider inspects the scalp, body, or pubic hair for the presence of lice or nits. Identification of lice eggs attached to hair strands is a key indicator. In some cases, magnifying tools may be used to confirm the presence of lice. A detailed patient history, including recent close contact with infected individuals or shared personal items, can assist in accurate diagnosis.

Treatment Protocols: Managing pediculosis usually involves the use of medicated topical treatments, such as over-the-counter lice shampoos or lotions containing permethrin or pyrethrin. Biological or chemical treatments are sometimes recommended in persistent cases. Additional steps include thoroughly cleaning clothing, bedding, and personal items that may harbor lice or eggs. Combing hair with a fine-toothed comb can help remove lice and nits manually. It is important to check and treat all household members and close contacts simultaneously to prevent reinfection.