What is the best way to treat tinea cruris?
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After clinical diagnosis and microscopic confirmation, tinea cruris is best treated with a topical allylamine or an azole antifungal (strength of recommendation: A, based on multiple randomized controlled trials [RCTs]). Differences in current comparison data are insufficient to stratify the 2 groups of topical antifungals. Determining which group to use depends on patient compliance, medication accessibility, and cost. The fungicidal allylamines (naftifine and terbinafine) and butenafine (allylamine derivative) are a more costly group of topical tinea treatments, yet they are more convenient as they allow for a shorter duration of treatment compared with fungistatic azoles (clotrimazole, econazole, ketoconazole, oxiconazole, miconazole, and sulconazole).
Journal of Family Practice, 55(3) 2006: 256-258.