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: Eucalyptus oil ### Medication Description:  Another essential oil that is sometimes used as a home remedy for lice, although there is limited scientific evidence for its efficacy. ### Duration: 7 days ### Side Effects: Skin irritation, Nausea, Headache