Revision as of 18:18, 3 November 2014 by Rossdonaldson1 (talk | contribs) (Diagnosis)


  • Also known as "Chicken Pox"
  • Contagious until last lesion crusts over


Male with varicella rash: lesions in various stages of development
  • Pruritic generalized vesicular exanthem w/ mild systemic manifestations
  • Usually affects children <10y
  • Rash
    • Starts on trunk or scalp as pruritic, red macules, spreads to extremities
    • W/in 24hr rash becomes vesicular (on erythematous base)
    • Palms/soles spared
    • Lesions in various stages of development

Differential Diagnosis


  • Tylenol, antihistamine, oatmeal baths
  • No Aspirin (may predispose to Reye syndrome)
  • Routine use of antiretrovirals for uncomplicated cases in immunocompetent children is not recommended (Tintinallli 7th ed)
  • Immunocompromised: IV acyclovir or high-dose PO tx (600mg/m2/day)


  • Can include encephalitis, pneumonia, hepatitis, strep/staph superinfection of ruptured vesicles
  • Perinatal infection in neonates may develop serious illness

See Also

Pediatric Rashes