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: Severe The patient should use ### Medication: Lindane ### Medication Description: A prescription treatment for lice that works by attacking the nervous system of the lice. Due to potential neurotoxicity, it's generally a second-line treatment. ### Duration: 3 days ### Side Effects: Skin rash, Seizures, Dizziness