Chickenpox on Abdomen The Chickenpox rash can occur on all body surfaces.
The rash is no longer contagious when all of the spots are crusted over and no new spots are appearing. This usually takes 7 days from the first appearance of the rash.
Chickenpox Rash Chickenpox is an infectious disease caused by the varicella-zoster virus resulting in an itchy blister-like rash, tiredness and fever.
It appears first on the trunk and face, but can spread over the entire body causing between 250 and 500 itchy blisters.