What do I do to get rid of lice quickly?

Special shampoo. Special shampoos, some available over the counter, are generally very effective in removing the lice infestation. Read the directions carefully- some require a second shampoo about a week later. Some say mayonnaise, olive oil or butter rubbed into the hair is effective, but there are no supporting scientific studies on these forms of treatment.
Parasite. Head lice with nits attached to hair causes a lot of itching among kids.Treatments are ovide, kwell, (lindane) other generic shampoo given by your md.