phthiriasis or pediculosis of the body ... while head lice caused phthiriasis or pediculosis of the scalpcausedphthiriasis or pediculosis of the body ... while head lice caused phthiriasis or pediculosis of the scalp
little irritationinitially causelittle irritation
infectionrarely causeinfection
significant illness ( typhus , relapsing fever and trench fever ) , a licecan ... causesignificant illness ( typhus , relapsing fever and trench fever ) , a lice
very bad itching , especially at nightcausevery bad itching , especially at night