By this time though, the lice have probably been in the hair for several weeks. So don't wait for the scratching to start. Check your child's hair regularly. Look carefully for the eggs or nits, particularly behind the ears, at the back of the head, on the neck, crown and under fingers. You can't mistake nits for dandruff.
Dandruff is dull, flaky and loose enough to fall out.
The nits are shiny and firmly attached to the hair. That is why it is so difficult to get rid of them. It is very important to get treatment for lice and nits as soon as you find them. People who have had lice for a long time begin to feel unwell. Head lice can cause other, more serious infections if they are left untreated.