LINDANE shampoo is a treatment for lice infestation of hair, including hair in the pubic area (crabs). This medicine kills the parasites and their eggs, but it does not prevent infestations. This medicine is a poison if it is not used properly. Ask your doctor, health care professional or pharmacist to explain any information you do not understand.\n \nThis medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.