Treatment options for head live include Permethrin (Nix) and Pyrethrin (Rid) as OTC options and prescription medicines such as Ivermectin (Sklice), Spinosad (Natroba), and Malathion.

Clinical Pearl of the Day: Head Lice

Head lice are tiny insects that feed on blood from the human scalp.

Explanation:

An infestation of head lice most often affects children.
It usually results from the direct transfer of lice from the hair of one person to another.
Symptoms include itching, lice on scalp, lice eggs on hair shafts, and sores on the scalp, neck, and shoulders.
Treatment options include Permethrin (Nix) and Pyrethrin (Rid) as OTC options and prescription medicines such as Ivermectin (Sklice), Spinosad (Natroba) and Malathion.
Other alternative options would be wet-combing, essential oils, smothering agents, and dehydration applied to skin.

Reference:

Head lice - Diagnosis and treatment - Mayo Clinic
head lice image - Google Search