The patient is likely to have ### Hair Disease: Head Lice ### Disease Description: Head lice are tiny insects that live on the scalp, feeding on human blood. They lay eggs, known as nits, at the base of the hair shaft. ### Severity of Disease: Moderate The patient should use ### Medication: Permethrin ### Medication Description: Permethrin is a synthetic pyrethroid used as an insecticide. In prescription formulations, it is used to treat head lice. It works by paralyzing and killing lice and their eggs. ### Duration: 7 days ### Side Effects: Skin irritation, Itching, Redness