How Long Do Head Lice Live? | Head Lice Treatment World

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How Long Do Head Lice Live?

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How long do head lice live? Head lice don’t live for long, but they can grow in numbers at a rapid pace. Since a female louse can lay up to 100 eggs during her life cycle, you can expect to have hundreds of nits and lice within a month or so.

Head lice live for 30 days max.

So, if you have 4 female lice in your hair, then you should expect more or less 400 head lice and nits in your hair in less than a month (quite scary, isn’t it?).

This is why it’s best to go for head lice treatment as soon as you notice these unwanted guests in your hair.

Now, let me briefly tell you about their life cycle.

Nits: This is the first stage. Nits are the eggs of head lice. Eggs hatch in 7 to 10 days.

Nymphs: This is the second stage. They stay in this stage for 7 to 10 days and then become adults.

Adults: This is the third and final stage. They stay in this stage until they die.

I have already talked in detail about head lice and their life cycle. You may read my earlier post here: Head Lice Treatment – Understanding the Life Cycle of a Louse.

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