Hi i read your problem of red rashes on ur thigh and above the shaft and inner thigh also.This is a fungal skin infection Tinea cruris.Dignosis is confirm by skin scales mounted in KOH. U immediately stop the application of neo clobenate -gm. This is topical steroid which will be harmful for u.It will provide temprory relief bt use antifungal cream like miconazole and oral antifungal drug flucanazole.u take some precaution also like maitain good personal hygiene, use loose cotton variety clothes.In diet u should be avoid completely the spicy and processed food like noodles pizza etc.hope this answer your query.if u have additional questions then u plz dont hesitate in writing to me.i will be happy to answer your query. Wishing ur good health.