There are skin wrinkles in the groin, and sweat glands will accumulate here after secretion. If you are obese, if you don't clean it in time, it will easily lead to local infection, redness and itching, and it will also easily lead to fungal infection.
Guiding opinions:
It is suggested that it is best to have an intuitive examination in the dermatology department. If half of the bacteria are infected, they should be treated symptomatically, such as washing with light salt water, taking cetirizine to relieve itching, and applying calamine lotion locally. If you have tinea infection, you need to use dyclonine to rub it. When the liver and kidney function is good, you need to use itraconazole to treat it.