Shingles is a painful skin rash camera.gif. It is caused by the varicella zoster virus. Shingles usually appears in a band, a strip, or a small area on one side of the face or body. It is also called herpes zoster.Shingles is most common in older adults and people who have weak immune systems because of stress, injury, certain medicines, or other reasons. Most people who get shingles will get better and will not get it again.
When the virus that causes chickenpox reactivates, it causes shingles. Early symptoms of shingles include headache, sensitivity to light, and flu-like symptoms without a fever. You may then feel itching, tingling, or pain where a band, strip, or small area of rash may appear several days or weeks later. A rash can appear anywhere on the body but will be on only one side of the body, the left or right. The rash will first form blisters, then scab over, and finally clear up over a few weeks.
Anyone who has had chickenpox can get shingles. After the chickenpox clears, the virus stays in the body. If the virus reactivates (wakes up), the result is shingles-a painful, blistering rash. Shingles is most common in older adults. A vaccine, which can prevent shingles, is available to people ages 50 and older. Dermatologists recommend this vaccine for everyone 50 and older. If you think you have shingles, see a doctor as soon as possible. Early treatment with antiviral medicines may help reduce pain and prevent complications of shingles, such as disseminated zoster or postherpetic neuralgia. If you still feel intense pain for more than 1 month after the skin heals, see your doctor to find out whether you have postherpetic neuralgia (PHN). Getting your pain under control right away may prevent nerve damage that may cause pain that lasts for months or years.
The incidence of infection of shingles is 148 cases per 50,000 persons per year The estimated prevalence of infection is 420 cases per 100,000 persons