One hundred and thirty-four patients with tinea versicolor were divided into 3 treatment groups: (1) 30% sodium thiosulfate application, (2) 30% sodium thiosulfate application plus ultraviolet light, and (3) 30% sodium thiosulfate application, ultraviolet light, and meladinine tablets (amoidin 0.01 g and amidin 0.005 g). Analysis of the 79 patients who completed the 6-week study showed no statistical difference. Therefore, topical treatment should be instituted as quickly as possible to prevent pigmentary changes. Ultraviolet light should be used only after the fungus has cleared in order not to darken the skin further.

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Attention must be paid to TV of the hairy scalp. Cases of dandruff, especially those accompanied with TV of the body, must be examined for the presence of M. furfur because of its prognostic significance. Positive cases should be treated accordingly.