Advances in treating opportunistic infections can happen at any time, so the material on this page may be outdated. Some links in the see also section at the bottom of this page are actually special database links. They may contain information published after this page was written.
Shingles is a sudden reactivation of the virus.
Symptoms are blisters that follows the path of a nerve. Shingles blisters are very painful. Severe cases can require hospitalization. This information is designed to support, not replace, the relationship that exists between you and your doctor.