Im a surgery resident. I had tinea cruris 3 months back. I had a course of tab itraconazole 200 mg od for 14 days...and topical teebinafine 1 percent bd flucos powder..antifungal soap and strct hygiene The leison reduced and i have been usinh terbinafine for the past 3 months but whenever i stop the cream aftee 2 to 3 days i see mild starting of reinfection at edges and again i start the cream and it settles . I am jsing the cream 2 cm aorund the leison also...how to stop the recurrence and stop the cream..i have beem on topical  terbinafine for more than 3 mnths