Excessive sweating tends to occur in the more exposed areas of the body such as the hands, feet, and face; but it has also been known to occur in more isolated areas such as the crotch area(also known as truncal hyperhidrosis). The groin area is full of sweat glands known as apocrine and eccrine.
For those unfortunate enough to suffer from excessive groin sweating it can be extremely troublesome and embarrassing in most cases. Sometimes odour can occur from the crotch due to the excessive sweating too, which can also be very embarrassing to have to cope with.