Tinea versicolor, also known as pityriasis versicolor, is a
skin disorder
caused by an overgrowth of yeast. Yeast is a common type of fungus on the
skin, but in some it can
cause a rash. Tinea versicolor
spots can appear scaly or dry and vary in color. ... Apply as directed until
white spots improve.May 25, 2017
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