Chickenpox and shingles are both caused by the varicella zoster virus. They both start off as a rash, with chicken pox becoming very itchy and uncomfortable. The chicken pox rash often comes out all over the body. Whereas the shingles rash appears in a single stripe, usually around one side of your body. It then turns into blisters, which can cause a lot of pain. It's also different from chickenpox in that it causes long-term nerve pain, which chickenpox cannot.
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