that looks like it is in your upper thigh.
lot of sweating and perspiration between the legs can increase risks for skin fungal infections which can be very itchy
some people call this jock itch.
the way to fight fungal infection is to use antifungal powders and sprays on the area and keeping the area dry.
there are over the counter antifungal powders at your local drug store or pharmacy. like Boots.
you can use these twice a day for 4-5 weeks
you can also try antifungal clotrimazole creams as well.
let me know if you have other questions.
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