Medically reviewed by Casey Gallagher, MD Red spots on the skin can appear for a variety of reasons, ranging from harmless to potentially serious conditions. They can be caused by simple irritants ...

One type of eczema is nummular eczema, which causes round or “coin-shaped” patches on the skin, especially the arms, legs, hands, and torso. These patches can also be itchy and scaly ...

Itchy skin, or pruritus, can result from conditions like eczema or dermatitis. Less commonly, it can stem from conditions such as kidney failure and liver disease. Some causes of itching affect ...

Pityriasis rosea is a common skin condition ... called the herald patch, Oberoi says. The herald patch appears in up to 90% of pityriasis rosea cases and typically has a round or oval shape.