Jock itch problem. Will go permanently.

Hi Dr , My name is Nishant i am suffering from date 29-Nov-14 till now. tinea cruris (jock itch) last 3 years on my private place i consult with dermatologist dr they give cream—Candid, lobate, zoderm e, onabet loction, tablets—Fungin 150mg, Griso 250mg, Onitraz 100mg, Terbicip 250mg, Itaspor 100mg soaps — keto, keto gold, kz, Powder - Fungin, Candid gold i tried all this stuff in last 3 years coz not getting improvement in jock itch it i have changed 2 more dr the given medicine course as dr given me after completing the course after some months complts again red round patch comes to private place on both the leg thice side I have taken all the precautions which given by dr guidance and other parts of body not having this problem only at private placeits come and go come and go I have tried all the course given by doctor. Still this problem is not going please suggest me what are the other reason for not going it. Pls Suggest me how this problem will go permanently.