Head lice can be spread whenever there is direct contact of the head or hair with an infested individual. The most well-known sign of head lice is a tickling, itching and a feeling that something is crawling in your hair.
Signs and symptoms of head lice infestation include tickling feeling of something moving in the hair, itching, caused by the an allergic reaction to the bites, sores on the head caused by scratching. These sores can sometimes become infected.