The most common causes of an itchy scalp are dandruff, lice, psoriasis, or a stress rash. Here's how to determine which may be behind your scratching.

BestReviews is reader-supported and may earn an affiliate commission. Details. This is an archived article and the information in the article may be outdated. Please look at the time stamp on the ...

Head lice are tiny insects that can live on the skin covering your head (your scalp). Lice spread by close contact with other people or sharing items with lice on them. They are more common in close ...

The itchiness, irritation, and the incessant scratching caused by the small bugs on your scalp and hair make head lice a nuisance at best and at worst, well—they’re the worst. Head lice feed on blood ...

Head lice affect millions of children every year. Schoolchildren are commonly affected by head lice, which attach to hair and feed on human blood. Although head lice are a year-round problem, the ...

Children have returned to school and are bringing home stories about the things they learned and the friends they made. But some parents are concerned they could also be bringing home a tiny nuisance ...