Tinea versicolor is a common, superficial skin infection characterized by patches of skin that are lighter or darker than normal.

In patients with tinea versicolor, discolored patches of skin are most commonly found on the chest, back or upper arms. It can also affect the scalp. In children, the face may be affected. Discoloration differs in individual patients and can range from white to red to brown in color. People with naturally dark skin may develop lighter patches. Those with naturally light skin may develop darker or lighter patches.

In some cases, the patches are covered with fine scale, which may become apparent when the skin is scraped. Tinea versicolor may produce some itching, but it rarely causes pain. Also known as pityriasis versicolor, the condition may prevent the skin from tanning.

Tinea versicolor is a benign (harmless) condition, but may cause cosmetic problems for patients. It occurs most often in adolescence and early adulthood, but can affect people of any age. It is rare in young children and the elderly, except in tropical climates. People with dark and light skin are equally as prone to the condition.