It's yeast infection....common around skin folds like thighs and genitals.. avoid sweating, sharing clothes,towels and soap.. specific medicine required depends on the severity.. for detailed prescription do direct online consultation

This is Vaginitis. It's An inflammation of the vagina that can result in discharge, itching and pain. Vaginitis is usually caused by a change in the normal balance of vaginal bacteria, an infection or reduced oestrogen levels. Over cleaning can reduce the pH of the affected area and lead to further inflammation. It can b controlled. Consult a Dermatologist for the same.