I am suffering from itching from 7-8 months on the upper parts of things near the private parts I have used various medicines like Terbinafine tablet, It - mack, candiforce (eaten with full course )and used many cream like lobet-gm ,terbinaforce, terbinaforce plus and derobin but all medicines work only for limited time not more than a week's and the itching reappears and I even take precaution like remove all the moisture after the bath I am really frustrated please help me out sir /mam.