Help please? how long does lice treatment last?

One lice ; nits are: Gone - it lasts - unless you get re-infected. Reatment of lice requires accurate identification of nits ; / or lice. A pediculicide is usually used- otc like nix (permethrin) or rid or prescription meds like lindane or malathion. Work carefully through hair ; remove individual nits. Purchase a special lice nit comb to aid you. Check for nits ; remove as seen over the next 7 to 10 days. If there are nits after.