Really harmless.: Tinea versicolor —called haole rot in hawaii — appears as spots on the torso, back and face that may be darker than the rest of the skin in those with light skin or lighter in those with dark skin. It's a common skin infection caused by a yeast named malassezia furfur, but is neither contagious nor due to poor hygiene. Selenium shampoo works applied to skin. I use ketoconazole 200mg x7days.
Answered 4/23/2019
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