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Shingles
Shingles, also known as herpes zoster, is a viral infection caused by the varicella-zoster virus, the same virus responsible for chickenpox. After a person recovers from chickenpox, the virus remains dormant in the body's nerve tissues. Years or even decades later, it can reactivate and cause shingles, usually in individuals with weakened immune systems or those over 50.
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Shingles typically presents as a painful rash that develops on one side of the body or face, often wrapping around the torso in a band-like pattern. Before the rash appears, people may experience burning, tingling, or itching in the affected area. The rash evolves into fluid-filled blisters that eventually crust over.
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Shingles is contagious to individuals who have never had chickenpox or haven't been vaccinated against it, as they may develop chickenpox if exposed to the virus from the shingles rash. However, they cannot directly catch shingles. Vaccination can help reduce the risk of developing shingles and its complications.
Common Symptoms
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Pain, burning, or tingling sensation in a localized area
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Red rash that develops a few days after the pain begins
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Fluid-filled blisters that break open and crust over
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Sensitivity to touch in the affected area
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Itching or irritation around the rash
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Fatigue or general malaise
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Fever
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Headache
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Sensitivity to light
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Muscle weakness in severe cases (if nerves are affected)

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