It may take 2 to 3 weeks or longer for a person to notice the extreme itching associated with lice. Lice can spread as long as the insects or their eggs remain alive on the infested person or on clothing. Medicated shampoos or cream rinses are used to kill lice. Some shampoos are not recommended for infants, young children, and women who are pregnant or breast-feeding. Always follow the directions on the label of the shampoo.
Special combs are available to help remove nits from hair.
At the same time, wash clothes, sheets, blankets, and bedspreads in hot water to destroy lice and eggs. The shampoo should be used again after 7 to 10 days to make sure that any lice who hatched after the first treatment are killed. Avoid physical contact with persons with lice. Do not share clothing, hats, combs or brushes, or bedding. At the same time, wash clothes, sheets, blankets, and bedspreads in hot water to destroy lice and eggs.