A 31-year-old female asked:
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i got a bruise about a week ago from donating plasma, it is still purple and has spread up my arm and tender to touch any suggestions?

1 doctor answer
Dr. Joshua Ordway
10 years experience Family Medicine
Warm compress: It sounds like you could have a superficial blood clot in your arm. You could try putting a warm wash cloth on the tender area multiple times per day for relief, then have your family doctor check it out if it persists.
Answered on May 21, 2014
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