1 doctor weighed in:

7 year old developed itchy rash first on back of neck later in day it spread to arms, stomach and legs no other symptoms, what is it and what to do?

1 doctor weighed in
Dr. James Ferguson
Pediatrics

In brief: Hard to say

If the rash is moving from a local to a general distribution it is unlikely a simple contact dermatitis like poison ivy.
Generalized rashes can be secondary to an infection (virus or bacteria) a food reaction or bug bites. Without examining the rash it is hard to speculate on a cause or specific treatment. If it itches, Benadryl can be given for comfort.

In brief: Hard to say

If the rash is moving from a local to a general distribution it is unlikely a simple contact dermatitis like poison ivy.
Generalized rashes can be secondary to an infection (virus or bacteria) a food reaction or bug bites. Without examining the rash it is hard to speculate on a cause or specific treatment. If it itches, Benadryl can be given for comfort.
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