Bruise (Contusion of the Skin)
Bruises (contusions) occur when small blood vessels under the skin tear or rupture, most often from a twist, bump, or fall. Blood leaks into tissues under the skin and causes a black-and-blue color that often turns purple, red, yellow, and green as the bruise heals.
Current as of: July 10, 2023
Author: Healthwise Staff
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