How to distinguish between chestnut rash and eczema

Milia rash is caused by hot weather, high indoor temperature, sweating, sweat irritation of the skin. It is mostly manifested in the trunk, neck, needle tip or rice grain size papules, surrounded by obvious redness, skin will show mild desquamation after the rash subsides, if repeated friction, can cause infection, showing redness or purulent. Eczema is due to food, environment, infection, drugs and other factors caused by skin inflammation. It can show skin pimples, blisters, exudate, crusts, itching symptoms, can occur in any part of the skin. If it is chronic eczema, it can show local skin tissue thickening, showing lichen-like changes.