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Shingles is caused by the same virus that causes chickenpox. After an attack of chickenpox, the virus remains in the tissues in your nerves. As you get older, or if you have an illness or stress that weakens your immune system, the virus may reappear in the form of shingles.
You may first have a headache, flu-like symptoms (usually without a fever), and sensitivity to light, followed by itching, tingling, or pain in the area where a rash may develop. The pain usually occurs several days or weeks before a rash appears on the left or right side of your body. The rash will be in a band, a strip, or a small area. In 3 to 5 days, the rash turns into fluid-filled blisters that ooze and crust over. The rash heals in about 2 to 4 weeks, although you may have long-lasting scars. A few people won't get a rash, or the rash will be mild.
Most people who get shingles will not get the disease again.
Complications of shingles
Delaying or not getting medical treatment may increase your risk for complications. Complications of shingles include:
eMedicineHealth Medical Reference from Healthwise
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