It seems like you have an infection of the skin by the yeast-like fungus Candida albicans. This type prefers warm moist places. So it is usually found on inner thigh area and surrounding structures especially in hot weather when we sweat a lot.Also common in obese individuals.
The symptoms are itchy
, purple patches on the skin that resemble eczema. The itching in these patches is highest near the edge.Some amount of scaling is also present.