It could be: Sudden onset of rashes could be an allergic reaction to food or medications. Also it could be a skin reaction to a plant oil that you touched. Go see your doc.
Answered 2/3/2013
5.3k views
Rash: Yes it could be an allergic reaction. However there are many conditions that give red itchy bumps on the arms see your doctor to have your rash evaluated and treated.
Answered 2/3/2013
5.3k views
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