Is this chicken pox or allergy reaction?

Anonymous
My younger brother woke up with this in the stomach, butt cheeks, neck he slightly had a stomachache too.
Is this chicken pox or allergy reaction ?

Is this chicken pox or allergy reaction?


Updates
+1 y
It seems like he has more in on his eyebrows no sure if is bc his touching his face or they just appear .
Is this chicken pox or allergy reaction?
4 Opinion