How are head lice transmitted?
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Head lice (Pediculus humanus capitis) are tiny insects that infest the scalp. They spread mainly through head-to-head contact. Understanding how they are transmitted is essential for prevention and treatment.
1. Direct Head-to-Head Contact
This is the most common way lice are transmitted. When people, especially children, play, hug, or lean heads together, lice can crawl from one person to another.
2. Sharing Personal Items
Although less common, lice can spread through shared items like:
- Hats, especially during school or sports activities
- Combs and Brushes used by infested individuals
- Headphones and Helmets that touch hair or scalp
3. Common Environments
Schools, camps, and sleepovers are prime locations for lice to spread due to close interaction. Outbreaks often start in these shared environments.
4. Can Pets Spread Lice?
No — head lice only live on humans. Pets like dogs or cats do not carry or transmit lice.
5. Prevention Tips
- Avoid head-to-head contact
- Don't share combs, hats, or headphones
- Regularly inspect children’s scalps
- Clean and disinfect personal items after exposure
- Educate kids on personal hygiene boundaries
6. Signs of Lice
- Itching: An allergic reaction to lice bites
- Red or irritated scalp
- Live lice visible on the scalp
- Nits (eggs) stuck to hair near the scalp
Reminder: Lice are annoying, but manageable. Consistent hygiene and quick action make all the difference. If you suspect lice, act promptly to prevent spreading.