Adult female head lice are usually larger than males and can lay about six eggs each day. While it effectively treats a head lice infestation with two doses eight days apart, side effects may include nausea and vomiting. Who is at risk for getting head lice? Head lice Head lice feed on blood from the scalp. This information is not meant to be used for self-diagnosis or as a substitute for consultation with a health care provider. Nits are often confused with other things found in the hair such as dandruff, hair spray droplets, and dirt particles. Pubic lice are primarily spread via sexual contact and affect the hairs in the genital and anal areas.
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Adults get lice too: one woman's story
Following treatment instructions carefully is important for ridding your scalp and hair of lice and their eggs. For these reasons, the risk of transmission of head lice from a wig or other hairpiece is extremely small, particularly if the wig or hairpiece has not been worn within the preceding 48 hours by someone who is actively infested with live head lice. Head lice are spread by direct contact with the hair of an infested person. After 8 to 9 days, lice eggs hatch to become nymphs, or simply immature lice. You may not notice any symptoms for up to six weeks the first time you get lice.