Secondary infection: Good news is that shingles always follows set patterns. The outbreaks follow the course of a sensory nerve. So, if the outbreak isn't now near the arm, it is very unlikely that it will go there. You can search online for shingles dermatomes to see the patterns. If it does make it to your arm, secondary infection is your biggest concern. Be careful the blisters do not pop and become infected.
Answered 11/28/2017
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Rare: Shingles rarely spreads from one area of the body to the next. I do hope that you are under treatment for your shingles, though. Treatment is effective at reducing long term sequellae of shingles.
Answered 12/27/2015
4.6k views
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