Recently Answered Questions on DERMIN

I hav been suffering from skin lesion, itching at mons pubis and gluteal furrow for several month... firstly it was only at pubic region then spread to glutial region...I hav taken antifungal like flugal,topical ketokonazole dermin etc..but there was recurrent attack...now I m taking Grisovin FP500mg...it is curing now..Should I continue this medication..if yes then how long..?