Medically reviewed by William Truswell, MDMedically reviewed by William Truswell, MD A scab is a dry, rough protective crust that forms over a cut or wound during healing. It starts to form as soon as ...

Don't pick at the scab, as it might slow healing and cause scars. Watch for infection signs, like pus, bad odor, fever, or ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you find yourself itching your head, you may have dry skin or irritating dandruff. While these are ...