Hello,
One of the possibilities that can present in such a way is nummular dermatitis. It is also called nummular eczema characterized by round or oval-shaped itchy lesions. Exactly what it is can be confirmed only after examination and biopsy. It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your dermatologist. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.