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.
Call your doctor now or seek immediate medical care if:
Watch closely for changes in your child's health, and be sure to contact your doctor if:
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