Risk factors

Ramsay Hunt syndrome can occur in anyone who has had chickenpox. It's more common in older adults, typically affecting people older than 60. Ramsay Hunt syndrome is rare in children.

Ramsay Hunt syndrome isn't contagious. However, reactivation of the varicella-zoster virus can cause chickenpox in people who haven't previously had chickenpox or been vaccinated for it. The infection can be serious for people who have immune system problems.

Until the rash blisters scab over, avoid physical contact with:

• Anyone who's never had chickenpox or who's never had the chickenpox vaccine
• Anyone who has a weak immune system
• Newborns
• Pregnant women