You may be suffering from jock itch or tinea cruris which is fungal infection of the inner thighs and buttocks area. It can be treated by taking four to six weeks of anti fungal treatment which includes tablets along with creams. Do not use soap over that area. Mistreatment with over the counter Steroid containing creams like fourderm, panderm, quadriderm, hh zole, candid b etc lead to repeated case of recurrence and also side effects due to application. Do not use steroid containing combination creams. Another cause for recurrence is reinfection from other family memebers. Also, sometimes other condition which look like jock itch Amy be present and misdiagnosed as jock itch. These are Hailey Hailey disease or flexural psoriasis. Please call me or contact me using online consult option with photos for detailed prescription.