Why do it feels like something is crauling in your head?

Answer 1

There just might be something crawling in your hair if you meant hair. Lice can crawl on the hair and be on the scalp to make you feel like scratching the head. See a doctor to confirm if lice is the problem or something else.

Answer 2

you need someone to check your hair to determine if you have head lice. head lice is white eggs of a larva that will turn into maggots.