This could be an allergic skin rash.Eczema is a chronic skin disorder that involves scaly and itchy rashes. Eczema is also called atopic dermatitis.
Eczema is due to a hypersensitivity reaction (similar to an allergy) in the skin, which leads to long-term inflammation. The inflammation causes the skin to become itchy and scaly.
In adults it is comon around the joints. Dry skin often makes the condition worse. When washing or bathing, keep water contact as brief as possible and use less soap than usual. After bathing, it is important to trap the moisture in the skin by applying lubricating cream on the skin while it is damp. Temperature changes and stress may cause sweating and aggravate the condition.
Treatment is application of amild Corticosteroid ointn the affected area.If it persists inspite of this then get it evaluated by a dermatologist.
its not that big the rash its got smaller after i applied cream cuz i do have dry skin on my feet there not as noticible as yesterday but im going to go get chekd for std jst to make sure