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A member asked:
Yesterday i had blood draw from my arm and today, i scratch it and now a knot came up as a size of a dime, is this normal and should i be concerned?
A doctor has provided 1 answer
Not unusual: The knot is from bleeding under the skin after needle was removed. It's called a hematoma. It will resolve in a week or two just like a bruise would. No cause for alarm. Thanks for trusting HealthTap!
Answered 2/23/2015
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