Who is at risk for shingles?

Shingles is caused by the reactivation of the varicella zoster virus (VZV), the same virus responsible for chickenpox.1,2 After a person recovers from chickenpox, the virus remains inactive inside the body for years and usually does not cause further problems.1,2 As we age, our immune system naturally weakens, allowing the dormant virus to reactivate and cause shingles.1,2 It typically produces a painful rash that often blisters and scabs over in 7–10 days, usually clearing up within 2–4 weeks.3 Shingles usually appears on one side of the body or face.3

 

The most common complication of shingles is postherpetic neuralgia (PHN), a chronic nerve pain that can occur in the area where the shingles rash occurred.3 The pain from PHN can be severe and debilitating, often interfering with daily life.3

 

Find out if you are at risk by answering the following questions.

 

The Shingles Risk Test is not intended to be used (or be relied on) for the diagnosis, prevention, monitoring, prediction, prognosis, treatment or alleviation of disease. Its purpose is oriented to medical education. The Shingles Risk Test does not aim to substitute professional counselling and medical advice, professional diagnosis, service, treatment or monitoring of any condition. If you feel any discomfort or have any concerns or questions about your health, you should always consult with a healthcare professional.

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  1. World Health Organization. Shingles (herpes zoster). Available at: https://www.who.int/news-room/fact-sheets/detail/shingles-(herpes-zoster). Accessed 17 September 2025.
  2. Health Hub. Herpes zoster (shingles). Available at: https://www.healthhub.sg/health-conditions/herpes_zoster. Accessed 21 November 2025.
  3. Centers for Disease Control and Prevention. Shingles symptoms and complications. Available at: https://www.cdc.gov/shingles/signs-symptoms/index.html. Accessed 17 September 2025.

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