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Clinical Dermatology

Pityriasis versicolor

Pityriasis versicolor is caused by a type of fungus called Malassezia that lives on the surface of the skin. It usually does not cause serious health problems.


In some cases, these fungi can grow out of control and affect the natural color or pigmentation of the skin. This results in spots that are lighter or darker than the surrounding skin.


Certain factors can trigger the growth of Malassezia, such as:

  • Hot and humid weather;
  • Excessive sweating;
  • Oily skin;
  • Weakened immune system;
  • Hormonal changes.


Lichen variegated can be detected by a specialist dermatologist during a standard clinical examination. To refine the diagnosis, the doctor can take a sample in the form of scraping a small amount of cells from the surface layer of the skin. Cells are viewed under a microscope (native microscopy) to detect Malassezia yeast.


In addition, your dermatologist may use a Wood's lamp or a special dermatoscope during the examination. With the help of ultraviolet light, the skin turns yellow or green in the presence of yeast.


For a small affected area, only local treatment can be prescribed. For more extensive spread, oral therapy (by mouth) is usually prescribed.


For more information about the possibility of performing a clinical examination and consultation by a specialist dermatologist in case of suspicion of lichen planus, you can contact your doctor or call MC MARKOVS.