A member asked:

9month old has had an all over body rash for 2days. how long should a viral rash last?

A doctor has provided 1 answer

Depends: The duration of a viral rash can vary from a few hours to a few weeks. Most follow the pattern based on the type of virus.In the years before we had fancy lab tests, we came up with names for specific viral infections, like smallpox, based on the character of the rash.

Answered 4/12/2019

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