A double-blind comparative study of sodium sulfacetamide lotion 10% versus selenium sulfide lotion 2.5% in the treatment of pityriasis (tinea) versicolor.

Pityriasis (tinea) versicolor, which consists of hyperpigmented and hypopigmented scaly patches, is often difficult to treat. A double-blind comparative study between once-a-day sodium sulfacetamide lotion and selenium sulfide lotion was undertaken. Both treatments were safe and efficacious. Selenium sulfide was statistically more efficacious (76.2% vs 47.8%, P=.013).