Disease Information for Chickenpox/herpes zoster virus: Definition

  • Varicella Zoster; Chickenpox; Herpes Zoster; Shingles;

    Disorder Subdivisions: Herpes Zoster Ophthalmicus,

    Postherpetic Neuralgia, Zoster Sine Herpete; Varicella-zoster is an infectious disease caused by a common virus known as herpes virus, also known as the varicella-zoster virus (VZV); During childhood, the virus causes chickenpox (varicella), while, during adulthood, it causes shingles (herpes zoster); Chickenpox is a highly contagious disease characterized by an itchy skin rash and fever; Chickenpox usually begins with mild constitutional symptoms such as a mild headache, moderate fever and discomfort followed by an eruption appearing in itchy groups of flat or elevated spots and blisters, which form crusts; The virus lies dormant in individuals who have had chickenpox as children; Shingles is a painful localized recurrence of the skin rash during adulthood; Shingles occur because the virus is reactivated------[NORD 2005]--------------------