Is viral herpes zoster serious?

Herpes zoster is a common disease caused by varicella zoster virus. It occurs in people with low immunity, such as the elderly. The severity of herpes zoster is closely related to the patient's immunity. If the patient has good immunity, herpes zoster can be completely cured in 2 to 3 weeks. If the patient has especially low immunity, such as AIDS, the patient's condition can be very serious. It can present as deep impetigo skin lesions and spread throughout the body. In addition, herpes zoster in some parts is also more serious. For example, herpes zoster occurs in the ear, may invade the facial nerve and acoustic nerve, can show facial paralysis, earache, herpes externa. Herpes zoster occurs around the eye, may also cause viral keratitis or conjunctivitis, may form ulcerative keratitis. May cause blindness due to scars, serious can cause panophthalmitis, encephalitis, and even cause death, the condition is very serious.