What causes shingles?

Asked by: Zoie Howe  |  Last update: January 21, 2024
Score: 4.3/5 (11 votes)

Shingles is caused by varicella-zoster virus (VZV), the same virus that causes chickenpox. Once a person has chickenpox, the virus stays in their body. The virus can reactivate later in life and cause shingles. Most people who develop shingles only have it one time during their life.

What triggers a shingles outbreak?

Shingles is caused when the chickenpox virus is reactivated. After a person has had chickenpox, the virus lies dormant in certain nerves for many years. Shingles is more common in people with weakened immune systems, and in people over the age of 50.

How did I get shingles if I never had chickenpox?

People cannot get shingles without having recovered from chickenpox. The reactivation of VZV in a person's body causes shingles. There is also a low risk of a person developing shingles after having direct contact with a shingles rash. The chickenpox virus is more likely to spread VZV to others than shingles.

How do you prevent getting shingles?

There is one vaccine, Shingrix, which is very effective in preventing shingles and complications, including postherpetic neuralgia. Shingrix is a recommended vaccine for all adults age 50 years and older whether or not they have had shingles or previously received varicella (chickenpox) vaccine.

What is the fastest way to cure shingles?

There's no cure for shingles. Early treatment with prescription antiviral drugs may speed healing and lower your risk of complications. These drugs include: Acyclovir (Zovirax)

Shingles: Pathophysiology, Symptoms, 3 stages of Infection, Complications, Management, Animation.

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Will shingles go away on its own?

If shingles is not treated it may go away on its own. However, there is an increased risk of developing a long-term painful condition called postherpetic neuralgia (PHN). PHN can last for weeks or years. Do not wait for shingles to go away on its own.

How many times can you get shingles?

Once a person has chickenpox, the virus stays in their body. The virus can reactivate later in life and cause shingles. Most people who develop shingles only have it one time during their life. However, you can have shingles more than once.

How long is shingles contagious for?

The rash often lasts 7-10 days. Once the rash has developed crusts, which can take 2-4 weeks, the person is no longer contagious. A person is not infectious before blisters appear or if pain persists after the rash is gone (post-herpetic neuralgia). Immunocompromised people may experience a longer duration of symptoms.

How long do shingles last?

Most cases of shingles last three to five weeks.

Can COVID cause shingles?

Adults ages 50 and older infected with COVID-19 are 15 percent more likely to develop shingles within six months of the diagnosis compared to people who weren't infected, according to a 2022 study published in the journal Open Forum Infectious Diseases.

What does the first signs of shingles look like?

The first symptoms are usually pain, tingling, or itching on the skin. Next, a rash of macules, which might look like burns, will appear. Over time, the macules will turn into painful blisters that rupture, scab over, and dry out.

What medication can trigger shingles?

A large study that surveyed Medicare data found that patients with rheumatoid arthritis had significantly increased risk for shingles if they took steroid medications such as prednisone. "Risks of Herpes Zoster in Patients with Rheumatoid Arthritis According to Biologic Disease Modifying Therapy.

Can certain foods trigger shingles?

Foods that have been found to exacerbate the shingles virus should be avoided where possible. The worst culprits contain the amino acid arginine that actually stimulate the herpes virus to replicate, such as, nuts, seeds, soy products, oats, coconut, flour (white and whole-wheat), and alas, chocolate.

Can I go around someone with shingles?

You can't give shingles to other people. But, other people can catch chickenpox from you if they haven't had it before. If you have shingles, you're contagious until the last blister has dried and scabbed over.

How to do laundry with shingles?

Throw away bandages you use to cover your skin sores. Throw away or wash in hot water clothing that has contact with your skin sores. Wash your sheets and towels in hot water. While your skin sores are still open and oozing, avoid all contact with anyone who has never had chickenpox, especially pregnant women.

Do you need a shingles vaccine if you have already had shingles?

Get Shingrix even if you already had shingles, because you can get the disease more than once. Your risk of shingles and complications increases as you age. You need 2 doses of Shingrix. Get the second dose 2 to 6 months after you get the first dose.

What is the best antiviral drug for shingles?

Valacyclovir and acyclovir are both effective shingles treatments if you start taking them within 72 hours of getting the shingles rash. They can help make your skin rash and pain go away more quickly. Acyclovir has been shown to speed up the healing of skin blisters and rashes by a couple days.

Does sleep help shingles?

Managing shingles symptoms

In addition to seeking medical treatment, people can take other steps to alleviate their symptoms and reduce discomfort. These include: getting enough sleep and rest.

Can you use hydrocortisone cream on shingles?

Hydrocortisone cream is not recommended to put on a shingles rash and there is no evidence that hydrocortisone cream will help treat the pain of a shingles rash.

Does vitamin D help prevent shingles?

Taking vitamin D supplements increased immune response to the virus and lowered inflammation in the elderly. Elderly individuals who are vitamin D deficient can significantly improve their immunity to the virus that causes shingles by taking supplements, a study has shown.

Where do shingles usually appear first?

The rash most commonly occurs in a single stripe around the left or the right side of the body. The rash can also occur on one side of the face. Shingles on the face can affect the eye and cause vision loss. The rash can be more widespread on the body and look similar to a chickenpox rash.