Ketoconazole Therapy in Pityriasis Versicolor.

Twenty six cases having pityriasis versicolor, were treated with 10 and 14 days courses of oral ketoconazole. Cure rate was higher with the 14 day schedule than with the 10-day schedule. Recurrence was observed in one patient. No significant side effect was noticed except in one patient who developed intolerable nausea after the first dose.