What Causes Shingles Under the Breast? Shingles (herpes zoster) is caused by the reactivation of the same virus that causes chickenpox, called the varicella-zoster virus (VZV). After chickenpox ...

Caused by the same virus behind chickenpox, shingles is a painful nerve root infection resulting in a skin rash. What does the shingles rash looks like? Who’s at risk? And who needs the shingles ...