Bruises occur when small blood vessels under your 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 may become purplish black, reddish blue, or yellowish green as the bruise heals.
Rest and home treatment can help you heal.
Your doctor may have taped the bruised finger to the one next to it or put a splint on the finger to keep it in position while it heals.
The doctor may recommend exercises to strengthen your finger. If you damaged bones or muscles, you may need more treatment.
Most bruises aren't serious and will go away on their own within 2 to 4 weeks.
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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