There are different types of lice. The type you have depends on the part of your body that’s affected: Head lice affect the scalp. Pubic lice (also called “crabs”) affect your genital area.

You carefully combed out the nits (lice eggs), applied and reapplied lice treatment as directed, and washed all the bedding and clothes. You thought your home was (finally) lice-free. Yet ...