#23 Pityriasis Versicolor | Dr. Shabari Arumugam

What is pityriasis versicolor? Is it hereditary? Can it be cured? Welcome! The topic for this week is P ityriasis versicolor What is pityriasis versicolor? Pityriasis is a common and harmless rash due to the overgrowth of yeasts that live on everyone’s skin. These yeasts, called Malassezia, are not related to yeast in food or to those that cause thrush. It is also sometimes called tinea versicolor. What causes it? Large numbers of tiny harmless organisms live on the surface of everyone’s skin. Some of them are yeasts. At times, these yeasts can overgrow and trigger the rash known as pityriasis versicolor. This happens most often in warm moist climates. Most people with this condition are in good health. The rash has a mixture of colours– hence the name ‘versicolor.’ It looks pale brown or pinkon untanned, white skin, but sunlight will cause the yeasts to make chemicals that prevent tanning, so the rash stays paler than the surrounding skin. For this reason, the rash is often notic...