 [ Symptoms ] can i take too many vitamins if so what can happen [ Disease ] based solely on your description this would not be typical of chicken pox varicella search webmd for some more information about this now uncommon viral infection while a child may get a mild rash about two weeks after a live vaccine like varicella it would not be typical just to get an eruption just on the toes the chicken pox lesion is a water blister on a red base often referred to as a dew drop on a rose petal if it is just on his toes i would be more prone to consider a contact dermatitis from his shoes or something he came in contact with while in bare feet since i have no way of seeing it first hand this is just a blind guess so please follow up with his health care provider if this rash does not resolve