A member asked:

I have sores on my arm and they are blisters with brown patches?

3 doctors weighed in across 2 answers

Maybe shingles: If you have recently developed pain in one arm and then had a blistery rash break out, you may have shingles. Get an evaluation as soon as possible, preferably within days, as early treatment may speed healing. Sores that are lasting longer than a week could be infected and should be examined by a doctor.

Answered 9/29/2012

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Biopsy: You will need a biopsy to find out what this is.

Answered 3/26/2013

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