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A member asked:
What causes dark purple blotchy knees?
3 doctors weighed in across 2 answers
Many possibilities: There are many things that may cause discoloration of the skin. Several types of inflammatory conditions of the skin, poor circulation, allergic reactions, bacterial, viral or fungal infections, insect bites, friction, and cancer can all cause discoloration of the skin. Have it evaluated by a professional and get the appropriate treatment.
Answered 1/5/2020
4.3k views
Agree w Dr Rafat: These lesions need to be visualized & a history needs to be obtained in order to make an accurate diagnosis. Sometimes lab testing or biopsy is necessary.
Answered 3/31/2018
503 views
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