| The anthelmintic agent ivermectin has been used both orally and topically for head lice but is not licensed for this purpose. |
| Headteachers have been told to stop sending warning letters to parents alerting them to outbreaks of head lice in schools. |
| The best way to prevent head lice spreading is to check your whole family's scalps regularly and treat them as soon as live lice are found. |
| The gold standard for diagnosing head lice is finding a live louse on the head, which can be difficult. |
| Oral ivermectin is used for treatment of intestinal parasites, but recently has been proposed as an alternative agent for head lice infestation. |
| She had been locked away with a convicted murderer, and she had emerged with head lice and flea bites. |
