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Shingles, also known as herpes zoster, is a viral infection caused by the varicella-zoster virus, the same virus responsible for chickenpox. Shingles typically present as a painful rash that appears as a band or patch on one side of the body, often along a nerve pathway.
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While shingles is more common in older adults, anyone who has had chickenpox can develop shingles.
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The shingles vaccine is up to 90% effective in preventing shingles. Even if you've had shingles before, getting vaccinated can reduce the risk of a recurrence and lessen the severity of symptoms.
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Besides preventing shingles, the vaccine can also reduce the risk of developing postherpetic neuralgia (PHN), a painful complication that can persist after the rash has cleared. PHN can cause severe pain and discomfort, making prevention crucial.
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The shingles vaccine is typically administered as a two-dose series. The first dose is followed by a second dose 2 to 6 months later for optimal protection.
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