This information is useful for adults and older adults
A woman with shingles sits by a window.

One day you might wake up with a painful blistering rash on one side of your body that looks like chicken pox. The odds are high that you have shingles, a skin condition caused by the herpes zoster virus. Shingles is a common condition—about one-third of Americans will have them at one point in their lives. 

What causes shingles?