How Long Can Lice Live without Host?

How long can lice live without host?

The head lice life cycle lasts about 45 days. Away from someone’s head (on furniture, carpets, clothing, bedding, etc) head lice can live up to 2 days. This is true for nymphs and adult lice. However, nits can live up to 9 days away from a host (until they hatch).

Head lice can live up to 48 hours in clothing. After this time, they die because they cannot feed on human blood.


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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.