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6 Essential Facts About the Shingles Vaccine

6 Essential Facts About the Shingles Vaccine

Learn about the vaccines that can help you prevent the blistering, painful rash caused by shingles infection.

Shingles is an infection caused by a reactivation of the virus that causes chickenpox. After you’ve had chickenpox and the infection has cleared up, the virus that caused it (called the varicella-zoster virus) remains in your nervous system. It is dormant for the most part, meaning it does not present any symptoms. However, years later, the virus can reactivate, causing a rash of blisters, called shingles. The rash typically appears in a stripe (following the path of nerve fibers) and is painful—sometimes, intensely painful.

Roughly one in three people will experience shingles at some point, and there are about a million cases of shingles reported in the United States each year. While the rash usually clears up within two to four weeks, the pain can linger for months or even years—which is a condition called postherpetic neuralgia, or PHN.

Fortunately, getting a shingles vaccine can reduce your risk of getting shingles and PHN. Below are six important facts about the shingles vaccine.

What vaccines are available?
There are two shingles vaccines available—Shingrix was approved by the FDA in 2017, while Zostavax has been around since 2006.

What are the recommendations for shingles vaccination?
Shingrix is the vaccine preferred by the Centers for Disease Control and Prevention (CDC) and the Advisory Committee on Immunization Practices (ACIP). The CDC recommends shingles vaccination with Shingrix for adults who are 50 years of age or older. This recommendation includes people who have had shingles in the past, since the vaccination can help prevent a recurrence of shingles.

This recommendation also includes people who were previously vaccinated with Zostavax, as Shingrix has been shown to be more effective at preventing shingles and PHN.

The CDC still recommends Zostavax as an option for shingles vaccination, particularly for patients who are allergic to an ingredient in Shingrix or who prefer Zostavax. Zostavax is only recommended for patients who are 60 years or older.

How effective is the shingles vaccine?
It depends on the vaccine you receive and your age.

In published studies, Shingrix was 97 percent effective at preventing shingles, and 91 percent effective at preventing PHN, in people ages 50 to 69 years.

For people who were 70 years and older, the Shingrix vaccine was shown to be 91 percent effective at reducing the risk of shingles, and 89 percent effective at reducing the risk of PHN. In the four years following vaccination, this vaccine remained 85 percent effective at reducing the risk of shingles in the 70 and older age group.

Zostavax has been shown to reduce the risk of shingles by 51 percent and PHN by 67 percent, and has been shown to be effective at preventing shingles for about five years.

How is the shingles vaccine administered?
Both vaccines are administered through an injection.

Shingrix is given as an injection into the muscle of the upper arm. It is given as two doses. The second dose is given between two and six months after the first.

Zostavax is given as a subcutaneous injection—a short needle is used to inject it between the skin and the muscle—also in the upper arm. It is given as a one time, single injection.

What should you discuss with your healthcare provider?
Deciding to get the shingles vaccine, and which vaccine to get, is a question to discuss with your healthcare provider. Potential allergies to ingredients in a vaccine, your medical history and other medications you are taking are all things that should be considered when receiving any vaccination.

You may also need to delay getting a shingles vaccination if you currently have shingles, if you currently or recently had an illness (such as the flu) and if you are pregnant, planning to become pregnant or breastfeeding.

Where can you get the shingles vaccine?
If you decide to get the shingles vaccine, it should be available through your healthcare provider or through your local pharmacy. Be sure to check with your insurance provider about coverage prior to getting a vaccination.

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