To find out exactly what’s behind your red spots ... They might be red or filled with clear liquid. The bumps can feel itchy or painful. Often, heat rash forms in areas where your skin rubs ...

Bedbug bite sores appear as raised, itchy bumps. They can occur from a few seconds ... On light skin tones, bedbug bites usually look pink or red. On darker skin tones, they may be purple and ...