Some of the perceived causes are emotional stress, hereditary factors, worms, sunburns and physical illness. This skin
condition can be aggravated due to diseases
like hyperthyroidism, diabetes mellitus, pernicious anemia and Addison's disease.
Fungal infections of the human body are very common, and are often quite bothersome. One such example is a condition known as tinea versicolor, a superficial yeast infection that produces white spots on the skin that are difficult to remove.