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What is shingles and how can it be prevented?


Shingles is a painful, blistering skin rash caused by the varicella zoster virus, the same virus that causes chickenpox that affects one million Americans annually. Virtually everyone over the age of 40 has had chickenpox in childhood. After getting chickenpox, the virus becomes dormant in certain nerves in your body. Shingles happens when the virus reactivates in those nerves. No one knows why exactly the chickenpox virus becomes active later in life, but it's estimated that up to 25% of the population gets shingles at some point in their lifetime, though it mostly affects older adults.

First signs of shingles

The first sign of shingles is pain, tingling, burning, or numbness of the skin followed by a rash a few days later.

Shingles complications

About 30% of the time, complications can develop from shingles, including chronic, severe pain and the condition post-herpetic neuralgia that could continue for many days, months, or even years post-infection. Permanent nerve damage from shingles is also possible. Caught early enough, oral antiviral medications may help shorten the illness episode. For pain, over-the-counter pain relievers as well as prescription pain relievers are usually recommended.

Highest risk for shingles

While shingles can occur at any age, it's more common in people over 50 years of age. A weak immune system as a result of illness or medications can also increase the risk of shingles. It's possible that the virus that causes shingles can be transmitted if there's direct contact with the shingles rash by someone who has not had chickenpox as a child or the chickenpox vaccine, but it's more likely that the person develops chickenpox, not shingles.

Shingles prevention

Zostavax® is the vaccine introduced in 2006 to prevent shingles. The Advisory Committee for Immunization Practices (ACIP) recommends a single dose of the zoster vaccine for adults 60 years or older as part of their routine health care, although it can also be given to adults 50-59. Despite its availability, the shingles vaccine is vastly underused. In the two years after the vaccine became available, fewer than 10% percent of all eligible patients have received it. Yet a recent study of the medical records of almost 200,000 people found that the vaccine is safe and well tolerated.

Walgreens immunization-trained pharmacists can adminster a wide range of CDC-recommended immunizations and vaccines, including Zostavax®. Find a local pharmacy near you which administers the shingles vaccine and schedule an appointment.

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Answers to questions regarding information about medications or health conditions are not for diagnostic or treatment purposes and are not conclusive as to the presence or absence of any health condition. Consult your physician for diagnosis and treatment of your medical condition. The information provided is not a substitute for medical advice. Advances in medicine may cause this information to become outdated, invalid or subject to debate. Professional opinions and interpretations of the scientific literature may vary. Walgreens' terms of use and general warranty disclaimer apply to all services provided. If you are in need of immediate medical attention, contact your physician, poison control center or emergency medical professional. If you need to speak with a pharmacist for non-emergency matters, contact your local Walgreens pharmacist or call a pharmacist toll-free at 1 (877) 250-5823.

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