General information, not an individual diagnosis. Ask a healthcare professional if you are unsure about your situation.
Pityriasis versicolor involves abnormal growth of Malassezia, a yeast present in skin follicles.
Patches commonly affect the trunk, neck and shoulders. They may be lighter or darker than surrounding skin.
Fine scaling helps assessment. A pale patch does not automatically mean vitiligo: have the cause confirmed.
Local treatment may involve the whole skin surface and scalp. A professional selects the appropriate preparation.
Contact time before rinsing matters with prescribed gels or shampoos. Follow the instructions for the actual product.
Recurrences are common. New patches or uncertainty warrant reassessment rather than repeating an old treatment.
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