Overview
Shingles is caused by the reactivation of the varicella-zoster virus (VZV), the same virus responsible for chickenpox. After an individual recovers from chickenpox, VZV remains dormant in the nervous system and can reactivate years later as shingles. The condition is characterized by a painful rash, which can lead to complications such as postherpetic neuralgia (PHN), a severe nerve pain that can persist after the rash resolves.
Signs and Symptoms
- Painful rash
- Blisters
- Fever
- Headache
- Chills
- Upset stomach