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A member asked:
I have recurring small red patches show up on my lower arms with blisters. they emerge very suddenly overnight but do not hurt or itch. what is it?
A doctor has provided 1 answer
Drug or herbal: A fixed drug reaction always appears at the same site and can present with blisters. Herpes is painful and appears less suddenly. Otc and herbal drugs are the main suspects. The reaction can appear 2 weeks after the drug is taken.
Answered 7/28/2013
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