aka "pityriasis versicolor"

A colonization of the skin with the fungus Malassezia furfur (which is a normal skin commensal, so tinea versicolor is not "contagious")-Clinical features are caused by conversion of the organism from budding to hyphal form

Peak prevalence in adolescence, due to increased sebum production
Heat and humidity can also contribute

Clinical presentation:
Differential diagnosis includes:
(Sources include Core Content Review of Family Medicine, 2012)