Shingles is a viral infection that causes a painful rash. Although shingles can occur anywhere on your body, it most often appears as a single stripe of blisters that wraps around either the left or the right side of your torso.
Shingles is caused by the varicella-zoster virus — the same virus that causes chickenpox. After you've had chickenpox, the virus lies inactive in nerve tissue near your spinal cord and brain. Years later, the virus may reactivate as shingles.
While it isn't a life-threatening condition, shingles can be very painful. Vaccines can help reduce the risk of shingles, while early treatment can help shorten a shingles infection and lessen the chance of complications.
Sep. 01, 2011
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- Shingles vaccine: What you need to know. Centers for Disease Control and Prevention. http://www.cdc.gov/vaccines/pubs/vis/downloads/vis-shingles.pdf. Accessed June 24, 2011.
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- FDA approves Zostavax vaccine to prevent shingles in individuals 50 to 59 years of age. U.S. Food and Drug Administration. Accessed June 24, 2011.
- Zostavax (prescribing information). Whitehouse Station, N.J.: Merck & Co.; 2011. http://www.merck.com/product/usa/pi_circulars/z/zostavax/zostavax_pi2.pdf. Accessed June 24, 2011.
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