shingles ( herpes zoster) is a viral infection of the nerve roots. it causes pain and often causes a rash on one side of the body the left or right. the rash appears in a band a strip or a small area. shingles is most common in older adults and people who have weak immune systems because of stress injury certain medicines or other reasons. most people who get shingles will get better and will not get it again. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what is shingles?