Thanks for the info given & staying online.
It is extremely rare that you can spread the shingles infection,to the other area of body on its own.
Shingles is contagious to people that have not previously had chickenpox
, as long as there are new blisters forming and old blisters healing. Once all of the blisters are crusted over, the virus can no longer be spread.
You can’t spread it to other parts of your body. Your body’s immune system would kill it before it spread somewhere else.The virus is present at the site of the rash and is contagious for a week after the appearance of lesions (blisters).You can spread shingles to other parts of your body, although this is rare.Only if you are very much immuno compromised or on long term high doses of coricosteroids, this can be possible.
So the concluding answer is it is very rare to spread shingles on its own.
Please feel free to ask if you have any other question.
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