54 Varicella Zoster Infection

Varicella Zoster Infection

Skin lesion is characterized by

pruritic, maculopapular, vesicular rash that evolves into noninfectious dried crusts over a 3- to 7-day period.

Reactivation of the dormant virus results in the characteristic painful dermatomal rash of herpes zoster, which is often followed by pain in the distribution of the rash.


Chickenpox

chickenpox is manifested with fever and irritability, followed by a vesicular rash eruption. Rash eventually crusts and heals

Chickenpox is one of the most contagious childhood infections and the householdĀ 

The virus is spread by direct contact or airborne droplets followed by mucosal invasion of the upper respiratory tract and conjunctiva, or direct contact with infected vesicles. Primary infection causes chickenpox.

Children are contagious from one to two days before the onset of the rash until all lesions have crusted over. The incubation period is 10-21 days, but most children usually become ill 14-16 days after contact. However, the incubation period can be much shorter in immunosuppressed patients or longer if the child has received varicella zoster immunoglobulin