You can only get
if you already had
and the dormant virus from the chickenpox infection becomes reactivated. Since only 20% of people who have had chickenpox develop shingles, researchers are still trying to determine what makes some people more likely to develop shingles than others.
Some of the factors that make people more likely to develop shingles include:
If you have a weakened immune system, you are more likely to develop shingles. Conditions that increase your risk include:
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
Shingles. EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed. Updated August 20, 2012. Accessed September 7, 2012.
Shingles. American Academy of Family Physicians' FamilyDoctor.org website. Available at:
http://familydoctor.org/familydoctor/en/diseases-conditions/shingles.html. Updated January 2011. Accessed May 30, 2013.
Shingles (herpes zoster). Centers for Disease Control and Prevention website. Available at:
http://www.cdc.gov/shingles/about/overview.html. Updated January 10, 2011. Accessed September 7, 2012.
6/9/2014 DynaMed's Systematic Literature Surveillance.
http://www.ebscohost.com/dynamed: Forbes H, Bhaskaran K, et al. Quantification of risk factors for herpes zoster: population based case-control study. BMJ 2014;348.