cruris, psoriasis. Whether it is fungal caused or bacteria caused determines what topicals should be used for treatment. If its fungal, over the counter anti-fungal cream like lotrimin would clear it right up. You can also try applying some cortizone 10 cream to the area to see if that works first. Im not a derm but having gone through some bouts of skin conditions myself (eczema sufferer) I know what you are going through. In the meantime, seeing a dermatologist wouldnt hurt either. Its painless and you would surely get the 100% correct advice about treatment options based on an actual visual