Medical News Today: What do the colors of a bruise mean?

Bruises happen when an injury causes blood to leak into the skin. Bruises naturally change color over time from red, through purple, to yellow or brown. Bruises that do not change color may need medical attention. Learn more about why bruises change color, and when to worry about a bruise, here.
Source: Health News from Medical News Today - Category: Consumer Health News Tags: Dermatology Source Type: news