What skin diseases are there in the rash that is not painful

2

, acute

rash in children is mainly related to human herpes virus type 6 infection,

can lead to

pink, small and dense maculopapules, can be spread all over the body, usually without itching or pain symptoms.

3, allergic purpura

allergic purpura is allergic inflammation of small blood vessels throughout the body, due to increased capillary fragility and permeability changes, leading to subcutaneous congestion, can form purple papules, rarely pain, only a few patients can be accompanied by itching discomfort.