There are many reasons red spots form on the skin ... Pityriasis rosea is an inflammatory skin condition that produces a red rash. On darker skin tones, this inflammation may appear dark red ...
Also known as prickly heat or miliaria, the symptoms of heat rash are caused by inflammation and irritation because of this clog or blockage, which is why it can cause angry red spots and itching ...
The rash will appear in three stages: First, it will start with red spots. Typically, it will first show up on the chest, face, or back before appearing on the skin of other body parts.