My Name Is Sayed Sahid Anwar And My Age Is

My name is Sayed Sahid Anwar and my age is 17 years. I am from Bhubaneswar, Odisha, India. I have a severe jock itch near my genital area where the skin colour is changed to black. Day by day it is growing to my back. Please tell me the ways how to get rid of these jock itch and the skin colour to normal. If you want i can also send you the pics of the jock itch. Please i beg you to reply me.