To check for head lice, part the hair to check the scalp for scabbing or sores, look for moving lice, and look for nits. Next, saturate the hair with conditioner, and comb through it with a specially designed nit comb. Y... More »

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Dogs and cats cannot catch human head lice. Lice are species-specific; therefore, there is a specific species of lice for specific species of animals. Conversely humans cannot catch the species of lice that can live on d... More »

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Head lice reproduce sexually, which is the case with most insect species. Adult male and female head lice of the species Pediculus humanus capitis are sexually dimorphic, with females somewhat larger than the males, acco... More »

The gestation period for nits, or baby lice that have yet to hatch, is seven to 10 days. After the gestational period ends, nits take 10 days to mature into adults. An adult louse can remain attached to a host for up to ... More »

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Body lice are slightly larger than head lice and can transmit diseases, such as trench fever and typhus, which head lice do not. Also, body lice can survive away from their hosts up to 30 days, while head lice die within... More »

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In general, pets cannot contract head lice from humans. Lice are species-specific, meaning lice that infect only humans cannot infect dogs or cats, and vice versa. More »

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The incubation period for head lice is between 6 and 9 days, or roughly one week. After hatching, young lice (nymphs) become adults in about 7 days. These adult lice can live on a human head for up to 30 days. More »

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