What Is Lice? Understanding Head Lice in Simple Terms

What Is Lice? Understanding Head Lice in Simple Terms is an educational guide for people researching head lice. It focuses on practical hair inspection, label-directed treatment and sensible family care.

For “What Is Lice? Understanding Head Lice in Simple Terms,” verify the specific observation first, then use the current Drug Facts label if treatment is relevant. Ask a qualified healthcare professional when identification or next steps are uncertain.

A Simple Definition

Head lice are small parasitic insects that live on the human scalp and hair.

Lice and Nits Are Different

A louse is the insect. A nit is an egg attached to a hair.

How They Spread

Head lice most commonly spread through close hair-to-hair contact and are not caused by poor hygiene.

Common Signs

Possible signs include scalp itching, a crawling sensation or visible lice and nits.

Treatment Information

When head lice are confirmed, use a product appropriate for head lice and follow the current Drug Facts label.

Important Reminder