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A member asked:

What do large red circle on back of both knees mean? 73 y/o male with heart, lung, and circulation issues?

A doctor has provided 1 answer
Dr. Richard Romano answered

This needs to be seen to provide a proper diagnosis. Allergic contact dermatitis is possible, unlikely is Lyme disease or a skin infection . See your doctor

Dr Kuitems agreed

Answered 3/22/2021

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