| Parents generally discover head lice by seeing the nits in a child's hair, or when children complain of itching. |
| The anthelmintic agent ivermectin has been used both orally and topically for head lice but is not licensed for this purpose. |
| Permethrin is already known by many consumers as an ingredient in head lice shampoos for children. |
| When head lice are forced to live on the body they become transformed into body lice. |
| Headteachers have been told to stop sending warning letters to parents alerting them to outbreaks of head lice in schools. |
| She had been locked away with a convicted murderer, and she had emerged with head lice and flea bites. |
