Ephelides: Understanding the Medical Term for Freckles

The medical term for a "freckle" is ephelide. Ephelides are small, flat spots that are usually tan, brown, or black in color. They are caused by an increased production of melanin, which is the pigment that gives skin its color. Ephelides are common in people with fair skin, and they typically appear on sun-exposed areas such as the face, arms, and shoulders.