Are Head Lice resistant to treatment?
There has been recent coverage in the media that head lice are becoming resistant to all pediculicides. We are consulting with experts in the industry for guidance in studying the issue. In the meantime, the best way to eliminate lice from your household is to follow the instructions for Nix head lice treatment and thoroughly clean head lice infested areas/objects in your home. We recommend that you seek the advice of your physician if after two Nix treatments you feel the product is not working.