hey im just wondering what would be the best way to fix this rash.

the rash is on the inside of my thighs at the top near my scrotum on both legs.

the skin is red and dry look this is also a slight amount of pealing skin.

during the day the rash rarely itchs but at night when im in bed it begins to itch.

also what sort of rash would this be? its not a sti because im a vergin