What are the symptoms of head lice like?

Itching, or none. Many children have no symptoms whatsoever, despite a good-sized infestation. Other children may have itching or a rash around the scalp. The diagnosis is made by finding live lice and/or nits in the hair. To check for lice, use a very fine-toothed comb to comb through wet hair section by section, looking for nits and adult lice.
Sxs. A person with head lice may have no symptoms. The most common symptom is itching. There may be a crawling or movement sensation on the scalp. A person may develop sores from scratching. Scratching can be significant enough to prevent good sleep.