how long can lice live off the body
The nymph cannot reproduce because it is not fully developed. After about 12 days, it becomes an adult. Adults: The adult louse can lay up to 4-10 eggs a day â starting another generation of lice. The adult stage lasts about 28 days. and they live about 2 days off the body. Source(s): WIDOWMAKER54 Â· 10 years ago.