Shingles, also called herpes zoster, is a disease that triggers a painful skin rash. It is caused by the same virus as chickenpox, the varicella-zoster virus. After you recover from chickenpox (usually as a child), the virus continues to live in some of your nerve cells.
For most adults, the virus is inactive and it never leads to shingles. But, for about one in three adults, the virus will become active again and cause shingles. Usually, shingles develops on just one side of the body or face, and in a small area. The most common place for shingles to occur is in a band around one side of the waistline.
Most people with shingles have one or more of the following symptoms:
Fluid-filled blisters
Burning, shooting pain
Tingling, itching, or numbness of the skin
Chills, fever, headache, or upset stomach
For some people, the symptoms of shingles are mild. They might just have some itching. For others, shingles can cause intense pain that can be felt from the gentlest touch or breeze. It’s important to talk with your doctor if you notice any shingles symptoms.
If you notice blisters on your face, see your doctor right away because this is an urgent problem. Blisters near or in the eye can cause lasting eye damage and blindness. Hearing loss, a brief paralysis of the face, or, very rarely, inflammation of the brain (encephalitis) can also occur.
If you think you might have shingles, talk to your doctor as soon as possible. It’s important to see your doctor no later than three days after the rash starts. The doctor will confirm whether you have shingles and can make a treatment plan. Most cases can be diagnosed from a visual examination. If you have a condition that weakens the immune system, your doctor may order a shingles test. Although there is no cure for shingles, early treatment with antiviral medications can help the blisters clear up faster and limit severe pain. Shingles can often be treated at home.
After the shingles rash goes away, some people may be left with ongoing pain called postherpetic neuralgia, or PHN. The pain is felt in the area where the rash occurred. The older you are when you get shingles, the greater your chances of developing PHN.
If you are in contact with someone who has shingles, you will not get the symptoms of shingles yourself. However, direct contact with fluid from a shingles rash can still spread the varicella-zoster virus, which can cause chickenpox in people who have not had chickenpox before or the chickenpox vaccine. The risk of spreading the virus is low if the shingles rash is kept covered.
Everyone who has had chickenpox is at risk for developing shingles. Researchers do not fully understand what makes the virus become active and cause shingles. But some things make it more likely:
The current shingles vaccine (brand name Shingrix) is a safe, easy, and more effective way to prevent shingles than the previous vaccine. In fact, it is over 90% effective at preventing shingles. Most adults age 50 and older should get vaccinated with the shingles vaccine, which is given in two doses. You can get the shingles vaccine at your doctor’s office and at some pharmacies.
