CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Shingles. Close-up of a blistering rash on the skin of a patient with shingles. Shingles is a disease in which nerves become infected with the varicella-zoster virus, which also causes chickenpox. The virus can remain dormant in the body for years after chickenpox, becoming active again if the immune system is weakened. It attacks nerves feeding the skin, causing a rash of small, painful blisters in a defined area. Nerve damage can result in the pain persisting for months or years after the blisters have disappeared. There is no effective cure, although nerve damage can be reduced by the early use of antiviral drugs.
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