how do you know if you have lice?
['Intense itching on the scalp, body or in the genital area.', 'Tickling feeling from movement of hair.', 'Lice on your scalp, body, clothing, or pubic or other body hair. ... ', 'Lice eggs (nits) on hair shafts. ... ', 'Sores on the scalp, neck and shoulders.']